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

84°F

29°C

Humidity 57%
Wind Speed E 10 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 1 Oct 6:52 pm CDT
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Clear, with a low around 71. East northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 71. East northeast wind 5 to 9 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 92. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. Northeast wind 5 to 10 mph becoming light. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Northeast wind 6 to 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 72. East northeast wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92. Light and variable wind becoming east northeast 5 to 9 mph in the morning.

    High: 92 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. East wind 5 to 9 mph becoming light east southeast after midnight.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 71. East northeast wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.
Thursday Night
Clear, with a low around 71. East northeast wind 5 to 9 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 92. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. Northeast wind 5 to 10 mph becoming light. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Northeast wind 6 to 10 mph. Chance of precipitation is 60%.
Saturday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 72. East northeast wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92. Light and variable wind becoming east northeast 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. East wind 5 to 9 mph becoming light east southeast after midnight.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 92. Light north northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 74. East wind 5 to 10 mph becoming light east southeast after midnight.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers. Mostly clear, with a low around 74.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
7:18 pm CDT Oct 1, 2025
Forecast Valid:
7pm CDT Oct 1, 2025-6pm CDT Oct 8, 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