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.

Mostly Cloudy

76°F

24°C

Humidity 77%
Wind Speed E 10 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 9 Apr 10:52 am CDT
Extended Forecast for

Harlingen TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly cloudy, with a high near 83. East wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 68. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. East southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 85. East southeast wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 72. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 87. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 33 mph.

    High: 87 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 72. Southeast wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 33 mph.

    High: 88 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly cloudy, with a high near 83. East wind 9 to 13 mph, with gusts as high as 21 mph.
Tonight
A 40 percent chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 68. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. East southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 69. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 85. East southeast wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 72. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 87. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 33 mph.
Sunday Night
Mostly cloudy, with a low around 72. Southeast wind 13 to 16 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 88. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 73. Southeast wind 15 to 17 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 90. Breezy, with a south southeast wind 16 to 21 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 72.
Wednesday
Mostly cloudy, with a high near 90. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
11:45 am CDT Apr 9, 2026
Forecast Valid:
11am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
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Additional Resources

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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