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

90°F

32°C

Humidity 48%
Wind Speed E 10 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 29 Sep 3:52 pm CDT
Extended Forecast for

Harlingen TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Northeast wind around 9 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Northeast wind 5 to 10 mph becoming light and variable in the evening.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 91. North northwest wind 6 to 10 mph becoming northeast in the afternoon.

    High: 91 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. East northeast wind 5 to 9 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Light and variable wind becoming east northeast 5 to 9 mph in the morning.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 71. East wind 5 to 8 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Calm wind becoming east northeast 5 to 9 mph in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 71. East wind 5 to 9 mph becoming calm in the evening.

    Low: 71 °F

    Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Light and variable wind becoming northeast 5 to 10 mph in the morning.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Northeast wind around 9 mph.
Tonight
Mostly clear, with a low around 70. Northeast wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Increasing clouds, with a high near 91. North northwest wind 6 to 10 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. East northeast wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Light and variable wind becoming east northeast 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 71. East wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93. Calm wind becoming east northeast 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 71. East wind 5 to 9 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Light and variable wind becoming northeast 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 73. East northeast wind 5 to 9 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light and variable wind becoming east northeast 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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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:
4:15 pm CDT Sep 29, 2025
Forecast Valid:
4pm CDT Sep 29, 2025-6pm CDT Oct 5, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation