San Juan, Puerto Rico
Current Conditions
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Almanac
Average High: 85°
Average Low: 74°
Record high/year: 90° (2006)
Record low/year: 67° (1957)
Sunrise: 6:34 AM
Sunset: 5:46 PM
Detailed History
Sun and Moon
Sunrise: 06:34 AM (AST)
Moon Rise: 10:34 AM (AST)
Sunset: 05:46 PM (AST)
Moon Set: 09:57 PM (AST)
Moon Phase
Next 12 Hours
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Rain Showers
Forecast data from the National Digital Forecast Database
5-Day Forecast
Hi 88°
Lo 74°
Rain Showers
Hi 85°
Lo 76°
Rain Showers
Hi 86°
Lo 74°
Rain Showers
Hi 86°
Lo 74°
Rain Showers
Hi 85°
Lo 72°
Rain Showers
Forecast for San Juan and Vicinity
Tonight
Partly cloudy. Scattered showers. Lows 77 lower elevations ranging to 67 higher elevations. East winds 5 to 10 mph. Chance of rain 40 percent.
Sunday
Variably cloudy. Scattered showers in the morning...then scattered showers and isolated thunderstorms in the afternoon. Highs 90 lower elevations ranging to 78 higher elevations. East winds 10 to 15 mph. Chance of rain 50 percent.
Sunday Night
Variably cloudy with scattered showers. Lows 77 lower elevations ranging to 65 higher elevations. East winds 5 to 15 mph. Chance of rain 40 percent.
Monday
Variably cloudy with scattered showers in the morning... then partly cloudy with isolated showers in the afternoon. Highs 91 lower elevations ranging to 78 higher elevations. Northeast winds 10 to 15 mph. Chance of rain 40 percent.
Monday Night
Partly cloudy with isolated showers. Lows 77 lower elevations ranging to 67 higher elevations. East winds 5 to 15 mph. Chance of rain 20 percent.
Tuesday
Partly cloudy with isolated showers. Highs 90 lower elevations ranging to 76 higher elevations. Chance of rain 20 percent.
Tuesday Night
Partly cloudy with scattered showers. Lows 76 lower elevations ranging to 65 higher elevations. Chance of rain 40 percent.
Wednesday
Partly cloudy. Scattered showers in the morning...then isolated showers in the afternoon. Highs 90 lower elevations ranging to 77 higher elevations. Chance of rain 40 percent.
Wednesday Night
Partly cloudy with scattered showers. Lows 75 lower elevations ranging to 65 higher elevations. Chance of rain 30 percent.
Thanksgiving Day
Partly cloudy with scattered showers. Highs 90 lower elevations ranging to 77 higher elevations. Chance of rain 30 percent.
Thursday Night
Partly cloudy with scattered showers. Lows 75 lower elevations ranging to 65 higher elevations. Chance of rain 30 percent.
Friday
Partly cloudy with scattered showers in the morning...then variably cloudy with scattered showers and isolated thunderstorms in the afternoon. Highs 90 lower elevations ranging to 76 higher elevations. Chance of rain 40 percent.
Friday Night
Mostly cloudy with scattered showers in the evening...then partly cloudy with isolated showers after midnight. Lows 75 lower elevations ranging to 65 higher elevations. Chance of rain 40 percent.
Saturday
Partly cloudy with isolated showers. Highs 91 lower elevations ranging to 78 higher elevations. Chance of rain 20 percent.
Personal Weather Stations
Personal Weather Stations [Add your weather station!]
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Location: San Juan, PR Updated: 3:20 PM AST |
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| Temperature: 92.1 °F | Dew Point: 78 °F | Humidity: 64% | Wind: Calm | Pressure: 29.87 in | Hourly Precipitation: - | Heat Index: 108 °F | Historical Graphs |
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Location: NOS_NWLON San Juan, PR, San Juan, PR Updated: 3:00 PM AST |
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| Temperature: 88 °F | Dew Point: - | Humidity: - | Wind: SE at 5 mph | Pressure: 29.90 in | Hourly Precipitation: 0.00 in | Heat Index: 85 °F | Historical Graphs |
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Location: HADS ISLA GRANDE RAIN GAUGE SAN JUAN PR US USGS, Viejo San Juan, PR Updated: 1:20 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO PIEDRAS AT HATO REY 1W PR US USGS, San Juan, PR Updated: 2:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: Reparto Metropolitano, San Juan, PR Updated: 3:30 PM AST |
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| Temperature: 88.2 °F | Dew Point: 75 °F | Humidity: 66% | Wind: South at 8.0 mph | Pressure: 29.87 in | Hourly Precipitation: 0.00 in | Heat Index: 99 °F | Historical Graphs |
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Location: HADS LAGO LAS CURIAS AT DAMSITE NR RI PR US USGS, San Juan, PR Updated: 1:45 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: Rio Piedras, San Juan, PR Updated: 3:30 PM AST |
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| Temperature: 86.8 °F | Dew Point: 75 °F | Humidity: 68% | Wind: SE at 4.0 mph | Pressure: 29.89 in | Hourly Precipitation: 0.00 in | Heat Index: 96 °F | Historical Graphs |
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Location: Rio Piedras, San Juan Updated: 3:30 PM AST |
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| Temperature: 86.8 °F | Dew Point: 75 °F | Humidity: 68% | Wind: SE at 4.0 mph | Pressure: 29.89 in | Hourly Precipitation: 0.00 in | Heat Index: 96 °F | Historical Graphs |
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Location: San Juan, 00924, San Juan, PR Updated: 3:30 PM AST |
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| Temperature: 84.1 °F | Dew Point: 74 °F | Humidity: 71% | Wind: ESE at 6.0 mph | Pressure: 29.84 in | Hourly Precipitation: 0.00 in | Heat Index: 91 °F | Historical Graphs |
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Location: Colinas de Fairview, Trujillo Alto, PR Updated: 3:30 PM AST |
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| Temperature: 90.0 °F | Dew Point: 54 °F | Humidity: 29% | Wind: SSE at 4.0 mph | Pressure: 29.89 in | Hourly Precipitation: 0.00 in | Heat Index: 88 °F | Historical Graphs |
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Location: HADS RIO DE BAYAMON NEAR BAYAMON 5S PR US USGS, Barrio Obrero, PR Updated: 2:15 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO GRANDE DE LOIZA BLO LAGO LOI PR US USGS, Trujillo Alto, PR Updated: 2:45 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: Manejo de Emergencias, Carolina, PR Updated: 3:03 PM AST |
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| Temperature: 90.7 °F | Dew Point: 73 °F | Humidity: 56% | Wind: SSW at 8.0 mph | Pressure: 29.87 in | Hourly Precipitation: 0.00 in | Heat Index: 99 °F | Historical Graphs |
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Location: HADS JAGUEYES ABAJO RAIN GAUGE NEAR C PR US USGS, Aguas Buenas, PR Updated: 2:50 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO CANAS AT RIO CANAS PR US USGS, Caguas, PR Updated: 1:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS BAIROA ARRIBA RAIN GAUGE NEAR CA PR US USGS, Aguas Buenas, PR Updated: 3:00 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS REPRESA COMERIO 2 BLW COMERIO 4N PR US USGS, Comerio, PR Updated: 1:45 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO CAGUAS AT VILLA BLANCA; CAGU PR US USGS, Caguas, PR Updated: 12:51 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS CANABONCITO RAIN GAUGE NEAR CAGU PR US USGS, Bayamon, PR Updated: 2:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO CANOVANAS NEAR CAMPO RICO 45 PR US USGS, Canovanas, PR Updated: 1:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO DE BAYAMON BLO LAGO DE CUGRA PR US USGS, Cidra, PR Updated: 2:15 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS GURABO ABAJO RAINGAUGE NEAR GURA PR US USGS, Juncos, PR Updated: 2:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS BARRIO BEATRIZ RAIN GAUGE NEAR C PR US USGS, Bayamon, PR Updated: 2:45 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO ESPIRITU SANTO NEAR RIO GRAN PR US USGS, Canovanas, PR Updated: 2:15 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO VALENCIANO NEAR JUNCOS 1S PR US USGS, Juncos, PR Updated: 2:45 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.09 in | Heat Index: - | Historical Graphs |
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Location: HADS QUEBRADA SALVATIERRA NEAR SAN LO PR US USGS, San Lorenzo, PR Updated: 2:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO GUADIANA AT GUADIANA NEAR NA PR US USGS, Barranquitas, PR Updated: 2:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS RIO TURABO ABOVE BORINQUEN NEAR PR US USGS, Bayamon, PR Updated: 12:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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Location: HADS QUEBRADA BLANCA NEAR SAN LORENZO PR US USGS, San Lorenzo, PR Updated: 2:30 PM AST |
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| Temperature: °F | Dew Point: - | Humidity: - | Wind: Calm | Pressure: - | Hourly Precipitation: 0.00 in | Heat Index: - | Historical Graphs |
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MSN Maps of: |
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NWS Forecaster Discussion
966 fxca62 tjsj 211501 afdsju Area forecast discussion National Weather Service San Juan PR 1101 am AST Sat Nov 21 2009 Update... made minor adjustments to short term wind flow but overall no changes to the inherited forecast. Clouds have begun to slowly develop across the interior sections of Puerto Rico...but so far no showers activity detected at this time. Afternoon convection will again be focused across parts of the interior northwest and north central sections of the island...with gradual a diminishing and dissipation of activity after sunset. && Aviation update...still expct MVFR/IFR conds in rain showers/thunderstorms and rain between 21/18-21z at tjbq...and vcty tjmz. Activity less likely over much of San Juan metropolitan area today...however one or two cumulus lines may develop over El Yunque and stream northwest vcty tjsj producing brief vcsh possible by the way 21/18-21z rain showers. Elsewhere and outside of the flying area....VA emissions continue off and on from Montserrat/trpg and faint plume visible streaming some 100 miles or so northwest of tkpk but becoming less visible as it moves away from source. && Preliminary point temps/pops... sju 87 75 86 76 / 40 40 40 40 stt 87 78 87 77 / 50 50 50 40 && Sju watches/warnings/advisories... PR...none. Vi...none. && $$ 09/04