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

56°F

13°C

Humidity 67%
Wind Speed NW 3 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 2 Dec 9:52 pm CST
Extended Forecast for

Harlingen, Rio Grande Valley International Airport TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 78. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 78 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64. Southeast wind around 7 mph.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Mostly cloudy, with a high near 78. South wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • 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 49. North northwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before noon. Cloudy, with a high near 59. North northwest wind 7 to 10 mph.

    High: 59 °F

    Slight Chance
    Showers then
    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers. Cloudy, with a low around 50. North northwest wind around 7 mph.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North northwest wind 6 to 8 mph.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Calm wind.
Wednesday
Mostly cloudy, with a high near 78. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 64. Southeast wind around 7 mph.
Thursday
A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Mostly cloudy, with a high near 78. South wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
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 49. North northwest wind 10 to 16 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 59. North northwest wind 7 to 10 mph.
Friday Night
A 30 percent chance of showers. Cloudy, with a low around 50. North northwest wind around 7 mph.
Saturday
Mostly cloudy, with a high near 72. North northwest wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 80. West northwest wind around 6 mph becoming east northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 55. East wind 5 to 7 mph becoming north after midnight.
Monday
Partly sunny, with a high near 75.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
 26.24°N 97.65°W
Last Update:
10:45 pm CST Dec 2, 2025
Forecast Valid:
10pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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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