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.

Fair

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in (1013.0 mb)
Dewpoint 63°F (17°C)
Visibility 8.00 mi
Last update 3 Dec 8:52 pm CST
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South southeast wind around 6 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South southeast wind 5 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Cloudy, with a low around 50. North northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 62. North northwest wind 7 to 10 mph.

    High: 62 °F

    Slight Chance
    Showers then
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers. Cloudy, with a low around 54. North northwest wind around 6 mph.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North northwest wind around 6 mph becoming east northeast in the afternoon.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. North northwest wind 3 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. North northeast wind around 8 mph.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. South southeast wind around 6 mph.
Thursday
A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South southeast wind 5 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers. Cloudy, with a low around 50. North northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 62. North northwest wind 7 to 10 mph.
Friday Night
A 30 percent chance of showers. Cloudy, with a low around 54. North northwest wind around 6 mph.
Saturday
Mostly cloudy, with a high near 72. North northwest wind around 6 mph becoming east northeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. North northwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 50. North northeast wind around 8 mph.
Monday
Mostly sunny, with a high near 69. North wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 49. Northeast wind around 6 mph becoming calm.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.67°W
Last Update:
9:00 pm CST Dec 3, 2025
Forecast Valid:
9pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
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