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.

Overcast

55°F

13°C

Humidity 69%
Wind Speed NW 5 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 2 Dec 7:52 pm CST
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 72. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 66. East wind around 6 mph becoming south southwest after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 74. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 74 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Cloudy, with a low around 51. North northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before noon. Cloudy, with a high near 60. North northwest wind 6 to 10 mph.

    High: 60 °F

    Slight Chance
    Showers then
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers. Cloudy, with a low around 53. North northwest wind around 6 mph.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 73. North northwest wind around 7 mph.

    High: 73 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Northeast wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Calm wind.
Wednesday
A 20 percent chance of showers after 5pm. Mostly cloudy, with a high near 72. Calm wind becoming south southeast 5 to 8 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 66. East wind around 6 mph becoming south southwest after midnight.
Thursday
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 74. South wind 6 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Cloudy, with a low around 51. North northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers before noon. Cloudy, with a high near 60. North northwest wind 6 to 10 mph.
Friday Night
A 30 percent chance of showers. Cloudy, with a low around 53. North northwest wind around 6 mph.
Saturday
Mostly cloudy, with a high near 73. North northwest wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 56. Northeast wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80. Light and variable wind becoming north northwest around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 58. East northeast wind around 6 mph becoming light and variable.
Monday
Partly sunny, with a high near 75.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 75.
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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:
8:18 pm CST Dec 2, 2025
Forecast Valid:
8pm CST Dec 2, 2025-6pm CST Dec 9, 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