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Hazardous Weather Conditions

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

A Few Clouds

91°F

33°C

Humidity 61%
Wind Speed S 13 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 29 Aug 10:52 am CDT
Extended Forecast for

Harlingen TX

  • Today

    Today: Sunny, with a high near 99. Heat index values as high as 108. Southeast wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 99 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Heat index values as high as 108. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. Southeast wind 5 to 11 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. East southeast wind 6 to 11 mph becoming light south southeast after midnight.

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Light east southeast wind becoming east 5 to 10 mph in the morning.

    High: 96 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Light and variable wind becoming east northeast 5 to 9 mph in the morning.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 99. Heat index values as high as 108. Southeast wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 77. Southeast wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 98. Heat index values as high as 108. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 77. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 98. Southeast wind 5 to 11 mph.
Sunday Night
Mostly clear, with a low around 77. East southeast wind 6 to 11 mph becoming light south southeast after midnight.
Labor Day
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Light east southeast wind becoming east 5 to 10 mph in the morning.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Light and variable wind becoming east northeast 5 to 9 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. East northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97. Calm wind becoming east northeast 5 to 9 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.21°N 97.67°W
Last Update:
11:00 am CDT Aug 29, 2025
Forecast Valid:
11am CDT Aug 29, 2025-6pm CDT Sep 4, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation