Cool and dry for much of the Central Plains and Rockies. Showers over the Great Lakes and Ohio Valley.

Unsettled weather conditions are likely across portions of the Great Lakes and Ohio Valley, with scattered to numerous showers. Expect cool and mostly dry conditions across much of the central U.S. and extending westward towards the Rocky Mountains. A few showers will be possible over the Pacific Northwest. Showers will also be possible over mountainous areas of Arizona and New Mexico. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

28°C

82°F

Humidity 79%
Wind Speed SE 7 km/h
Barometer 29.99 in
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 28 Sep 4:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Isolated showers.  Partly cloudy, with a low around 26. East southeast wind around 16 km/h.  Chance of precipitation is 10%.

    Isolated
    Showers

    Low: 26 °C

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 33. Heat index values as high as 38. East northeast wind 24 to 27 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 33 °C

  • Wednesday
    Night

    Wednesday Night: Isolated showers, then scattered showers and thunderstorms after midnight.  Partly cloudy, with a low around 26. East northeast wind 29 to 34 km/h.  Chance of precipitation is 50%. New rainfall amounts between 5 and 7.5 mm possible.

    Isolated
    Showers then
    Scattered
    Showers

    Low: 26 °C

  • Thursday

    Thursday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 32. Heat index values as high as 36. East wind 34 to 39 km/h, with gusts as high as 48 km/h.  Chance of precipitation is 50%. New rainfall amounts between 1 and 2 cm possible.

    Scattered
    T-storms

    High: 32 °C

  • Thursday
    Night

    Thursday Night: Isolated showers.  Partly cloudy, with a low around 25. East wind 24 to 29 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 25 °C

  • Friday

    Friday: Isolated showers.  Mostly sunny, with a high near 31. East wind 26 to 29 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 31 °C

  • Friday
    Night

    Friday Night: Scattered showers.  Partly cloudy, with a low around 24. East wind 16 to 18 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 24 °C

  • Saturday

    Saturday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 31. East wind 24 to 29 km/h.  Chance of precipitation is 40%.

    Scattered
    Showers

    High: 31 °C

  • Saturday
    Night

    Saturday Night: Isolated showers.  Partly cloudy, with a low around 24. East southeast wind around 14 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 24 °C

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 26. East southeast wind around 16 km/h. Chance of precipitation is 10%.
Wednesday
Isolated showers. Mostly sunny, with a high near 33. Heat index values as high as 38. East northeast wind 24 to 27 km/h. Chance of precipitation is 20%.
Wednesday Night
Isolated showers, then scattered showers and thunderstorms after midnight. Partly cloudy, with a low around 26. East northeast wind 29 to 34 km/h. Chance of precipitation is 50%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 32. Heat index values as high as 36. East wind 34 to 39 km/h, with gusts as high as 48 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 cm possible.
Thursday Night
Isolated showers. Partly cloudy, with a low around 25. East wind 24 to 29 km/h. Chance of precipitation is 20%.
Friday
Isolated showers. Mostly sunny, with a high near 31. East wind 26 to 29 km/h. Chance of precipitation is 20%.
Friday Night
Scattered showers. Partly cloudy, with a low around 24. East wind 16 to 18 km/h. Chance of precipitation is 30%.
Saturday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 31. East wind 24 to 29 km/h. Chance of precipitation is 40%.
Saturday Night
Isolated showers. Partly cloudy, with a low around 24. East southeast wind around 14 km/h. Chance of precipitation is 20%.
Sunday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 32. Chance of precipitation is 50%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 25. Chance of precipitation is 20%.
Monday
Isolated showers. Mostly sunny, with a high near 33. Chance of precipitation is 20%.
Monday Night
Isolated showers. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Tuesday
Isolated showers. Mostly sunny, with a high near 33. Chance of precipitation is 20%.
Click Map For Forecast
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 17 m)
5:02 am AST Sep 28, 2016
5am AST Sep 28, 2016-6pm AST Oct 4, 2016
 
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