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

87°F

31°C

Humidity 53%
Wind Speed S 22 G 33 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Apr 11:52 am CDT
Extended Forecast for

Harlingen TX

  • Today

    Today: Sunny, with a high near 91. Breezy, with a south southeast wind around 21 mph, with gusts as high as 36 mph.

    High: 91 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a slight chance of showers after 11pm. Increasing clouds, with a low around 72. Breezy, with a southeast wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. East southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 78. North northeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    High: 78 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 60. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 60 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 71. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 58. North wind 6 to 10 mph.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 75. North wind 6 to 10 mph becoming east northeast in the afternoon.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 91. Breezy, with a south southeast wind around 21 mph, with gusts as high as 36 mph.
Tonight
A slight chance of showers before 8pm, then a slight chance of showers after 11pm. Increasing clouds, with a low around 72. Breezy, with a southeast wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 91. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 68. East southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 78. North northeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm. Low around 60. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 71. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 58. North wind 6 to 10 mph.
Tuesday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 75. North wind 6 to 10 mph becoming east northeast in the afternoon.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 61. East northeast wind 5 to 9 mph becoming light northeast after midnight.
Wednesday
Mostly cloudy, with a high near 79. Light northeast wind becoming east 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
11:45 am CDT Apr 3, 2026
Forecast Valid:
11am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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