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 96%
Wind Speed SE 9 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 26 Dec 8:52 pm CST
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southeast wind 8 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 86. South southeast wind 8 to 17 mph, with gusts as high as 29 mph.

    High: 86 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. South southeast wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. South southeast wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 60. South southeast wind 6 to 11 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a temperature falling to around 53 by 5pm. Breezy, with a north wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 50%.

    High: 60 °F⇓

    Breezy.
    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. North wind 14 to 17 mph, with gusts as high as 32 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. North wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. North northeast wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South southeast wind 8 to 10 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 86. South southeast wind 8 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 67. South southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 87. South southeast wind 10 to 16 mph, with gusts as high as 29 mph.
Sunday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 60. South southeast wind 6 to 11 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a temperature falling to around 53 by 5pm. Breezy, with a north wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 45. North wind 14 to 17 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 55. North wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 37. North northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 68. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51. East southeast wind around 6 mph becoming calm in the evening.
New Year's Day
Partly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 60.
Friday
Mostly cloudy, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
9:18 pm CST Dec 26, 2025
Forecast Valid:
9pm CST Dec 26, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

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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