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

67°F

19°C

Humidity 84%
Wind Speed SE 8 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 10 Dec 7:52 pm CST
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Light and variable wind becoming north 5 to 7 mph after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. North wind 6 to 8 mph becoming east northeast in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. East wind around 6 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Southeast wind 5 to 9 mph becoming light east southeast after midnight.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Light east southeast wind becoming southeast 5 to 9 mph in the morning.

    High: 82 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Southeast wind 3 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Light east wind becoming east northeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Light and variable wind becoming north 5 to 7 mph after midnight.
Thursday
Mostly sunny, with a high near 77. North wind 6 to 8 mph becoming east northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 62. East wind around 6 mph becoming calm.
Friday
Mostly sunny, with a high near 84. South southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 66. Southeast wind 5 to 9 mph becoming light east southeast after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Light east southeast wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 65. Southeast wind 3 to 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Light east wind becoming east northeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 63. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 76. East wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 63. East wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 82.
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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:
8:45 pm CST Dec 10, 2025
Forecast Valid:
8pm CST Dec 10, 2025-6pm CST Dec 17, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation