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

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

71°F

22°C

Humidity 94%
Wind Speed NW 6 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 4 Oct 4:52 am CDT
Extended Forecast for

Harlingen TX

  • Today

    Today: A slight chance of showers and thunderstorms between 10am and 3pm. Sunny, with a high near 90. North northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 72. Northeast wind 5 to 9 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Light and variable wind becoming northeast around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. East northeast wind 5 to 8 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. East southeast wind 5 to 10 mph becoming light after midnight.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. East wind 5 to 9 mph becoming light.

    Low: 75 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Northeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 10am and 3pm. Sunny, with a high near 90. North northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 72. Northeast wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 93. Light and variable wind becoming northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. East northeast wind 5 to 8 mph becoming calm after midnight.
Monday
Sunny, with a high near 95. Calm wind becoming east 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. East southeast wind 5 to 10 mph becoming light after midnight.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. East wind 5 to 9 mph becoming light.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Northeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 74. Northeast wind 6 to 10 mph.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. Northeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 73.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.21°N 97.7°W
Last Update:
5:00 am CDT Oct 4, 2025
Forecast Valid:
5am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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