National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

72°F

22°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 29.91 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Mar 5:56 am AST
Extended Forecast for

2 Miles WNW Lomas PR

  • Today

    Today: Scattered showers. Partly sunny, with a high near 78. South southeast wind 5 to 13 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after 9pm. Partly cloudy, with a low around 69. South southeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 80. South southeast wind 7 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    High: 80 °F

    Isolated
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 68. Light south wind. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, then showers and possibly a thunderstorm after noon. High near 78. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%.

    High: 78 °F

    Scattered
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 68. North northeast wind around 6 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly after noon. Mostly cloudy, with a high near 76. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 67. North northeast wind around 6 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 76. East northeast wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
Scattered showers. Partly sunny, with a high near 78. South southeast wind 5 to 13 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Scattered showers, mainly after 9pm. Partly cloudy, with a low around 69. South southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 80. South southeast wind 7 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 68. Light south wind. Chance of precipitation is 40%.
Sunday
Scattered showers, then showers and possibly a thunderstorm after noon. High near 78. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 68. North northeast wind around 6 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 76. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 67. North northeast wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 76. East northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
Scattered showers. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Lomas PR
 18.28°N 65.93°W (Elev. 1220 ft)
Last Update:
2:07 am AST Mar 20, 2026
Forecast Valid:
6am AST Mar 20, 2026-6pm AST Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation