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 and Breezy

86°F

30°C

Humidity 55%
Wind Speed S 24 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Apr 2:52 pm CDT
Extended Forecast for

Harlingen TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 88. Breezy, with a south southeast wind around 18 mph, with gusts as high as 30 mph.

    High: 88 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 90. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 72. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 90. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 90 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 73. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 73 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 91. South southeast wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 91 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. East southeast wind 8 to 14 mph becoming north northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. Northeast wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 88. Breezy, with a south southeast wind around 18 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 72. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 90. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Increasing clouds, with a low around 72. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 90. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Mostly cloudy, with a low around 73. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 30 mph.
Saturday
Mostly cloudy, with a high near 91. South southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. East southeast wind 8 to 14 mph becoming north northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. Northeast wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 65. East northeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
3:30 pm CDT Apr 15, 2026
Forecast Valid:
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 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