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

79°F

26°C

Humidity 85%
Wind Speed S 9 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Nov 9:52 am CST
Extended Forecast for

Harlingen TX

  • Today

    Today: Sunny, with a high near 85. South wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Increasing clouds, with a low around 60. Light and variable wind becoming north 12 to 17 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Monday

    Monday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 61. Breezy, with a north wind 16 to 20 mph, with gusts as high as 34 mph.

    High: 61 °F

    Breezy.
    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 32 mph.

    Low: 57 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. North northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. North northeast wind 3 to 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East northeast wind 3 to 7 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. East wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 85. South wind 7 to 11 mph, with gusts as high as 21 mph.
Tonight
Showers and thunderstorms likely, mainly before 2am. Increasing clouds, with a low around 60. Light and variable wind becoming north 12 to 17 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 61. Breezy, with a north wind 16 to 20 mph, with gusts as high as 34 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 32 mph.
Tuesday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. North northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 64. North northeast wind 3 to 8 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming east 5 to 9 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East northeast wind 3 to 7 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. East wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 69. East wind 3 to 7 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 80. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
10:00 am CST Nov 15, 2026
Forecast Valid:
10am CST Nov 15, 2026-6pm CST Nov 21, 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