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.

Partly Cloudy

77°F

25°C

Humidity 69%
Wind Speed S 14 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Nov 8:52 am CST
Extended Forecast for

Harlingen TX

  • Today

    Today: Mostly sunny, with a high near 84. Breezy, with a south wind 14 to 18 mph, with gusts as high as 32 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 64. South southeast wind 5 to 11 mph becoming northeast after midnight. Winds could gust as high as 22 mph.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a temperature rising to near 71 by 9am, then falling to around 58 during the remainder of the day. North northeast wind 5 to 15 mph becoming west in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 71 °F⇓

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight. Cloudy, with a low around 48. North northwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers before noon. Mostly cloudy, with a high near 54. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. North northwest wind 6 to 9 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 61. North wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 61 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52. North northeast wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 75. Light and variable wind becoming south southeast 5 to 9 mph in the morning.

    High: 75 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 84. Breezy, with a south wind 14 to 18 mph, with gusts as high as 32 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 64. South southeast wind 5 to 11 mph becoming northeast after midnight. Winds could gust as high as 22 mph.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a temperature rising to near 71 by 9am, then falling to around 58 during the remainder of the day. North northeast wind 5 to 15 mph becoming west in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before midnight. Cloudy, with a low around 48. North northwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 54. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 52. North northwest wind 6 to 9 mph.
Tuesday
Mostly cloudy, with a high near 61. North wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 52. North northeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 75. Light and variable wind becoming south southeast 5 to 9 mph in the morning.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66. South southeast wind around 7 mph.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 78. Southeast wind 6 to 10 mph becoming northwest in the afternoon.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
Mostly cloudy, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.21°N 97.7°W
Last Update:
9:30 am CST Nov 29, 2025
Forecast Valid:
9am CST Nov 29, 2025-6pm CST Dec 5, 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