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

87°F

31°C

Humidity 59%
Wind Speed S 12 mph
Barometer 29.66 in (1004.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 1 May 2:52 pm CDT
Extended Forecast for

Harlingen TX

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 94. West wind around 11 mph, with gusts as high as 20 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 60. Breezy, with a north wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of showers between 11am and 1pm. Mostly cloudy, with a high near 74. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 74 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. North northeast wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 22 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming east in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Southeast wind 6 to 11 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. Southeast wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 92. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 92 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 94. West wind around 11 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 60. Breezy, with a north wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers between 11am and 1pm. Mostly cloudy, with a high near 74. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 61. North northeast wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 22 mph.
Sunday
Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 65. Southeast wind 6 to 11 mph.
Monday
Partly sunny, with a high near 86. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 72. Southeast wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 92. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 76. South southeast wind 14 to 17 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 97. South southeast wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
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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:
3:45 pm CDT May 1, 2026
Forecast Valid:
3pm CDT May 1, 2026-6pm CDT May 7, 2026
 
Forecast Discussion
 
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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