Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

101°F

38°C

Humidity 38%
Wind Speed SE 13 G 23 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 2 Sep 1:52 pm CDT
Extended Forecast for

Harlingen TX

Heat Advisory until September 2, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 2, 06:00pm

    NOW until 6:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 80. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 102. Heat index values as high as 112. South southeast wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. Southeast wind 7 to 16 mph, with gusts as high as 28 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 102. South southeast wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 80. South southeast wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 80 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 101. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 103. Heat index values as high as 111. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 80. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny and hot, with a high near 102. Heat index values as high as 112. South southeast wind 7 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 7 to 16 mph, with gusts as high as 28 mph.
Friday
Mostly sunny and hot, with a high near 102. South southeast wind 6 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 80. South southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny and hot, with a high near 101. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 79. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 79. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Labor Day
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 100. Light south southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
2:15 pm CDT Sep 2, 2026
2pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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