Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

84°F

29°C

Humidity 58%
Wind Speed NA
Barometer 30.03 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 24 Feb 10:56 am AST
Extended Forecast for

2 Miles S Guaynabo PR

  • Today

    Today: Isolated showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 84. East southeast wind around 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly between midnight and 3am.  Partly cloudy, with a low around 70. East southeast wind around 6 mph.  Chance of precipitation is 50%.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 3pm.  Mostly cloudy, with a high near 85. East wind 6 to 16 mph.  Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Isolated showers before midnight, then isolated showers after 3am.  Mostly clear, with a low around 70. East wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers.  Mostly sunny, with a high near 86. East wind 8 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. East wind around 7 mph.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 86. East wind 9 to 16 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. East wind around 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. East wind 8 to 15 mph.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Isolated showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 84. East southeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Scattered showers, mainly between midnight and 3am. Partly cloudy, with a low around 70. East southeast wind around 6 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 85. East wind 6 to 16 mph. Chance of precipitation is 60%.
Wednesday Night
Isolated showers before midnight, then isolated showers after 3am. Mostly clear, with a low around 70. East wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
Isolated showers. Mostly sunny, with a high near 86. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 71. East wind around 7 mph.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 9 to 16 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 70. East wind around 7 mph.
Saturday
Sunny, with a high near 86. East wind 8 to 15 mph.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 70.
Monday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Guaynabo PR
 18.36°N 66.11°W (Elev. 164 ft)
7:57 am AST Feb 24, 2026
11am AST Feb 24, 2026-6pm AST Mar 2, 2026
 
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Additional Resources

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