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

91°F

33°C

Humidity 49%
Wind Speed S 20 G 28 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 16 May 12:52 pm CDT
Extended Forecast for

Harlingen TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 93. South southeast wind around 17 mph, with gusts as high as 29 mph.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 79. Southeast wind around 15 mph, with gusts as high as 29 mph.

    Low: 79 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 94. Breezy, with a south southeast wind 16 to 21 mph, with gusts as high as 34 mph.

    High: 94 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 80. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 34 mph.

    Low: 80 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 96. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 32 mph.

    High: 96 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 80. Breezy, with a southeast wind 13 to 20 mph, with gusts as high as 36 mph.

    Low: 80 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 96. Southeast wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 96 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 93 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. South southeast wind around 17 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 79. Southeast wind around 15 mph, with gusts as high as 29 mph.
Sunday
Partly sunny, with a high near 94. Breezy, with a south southeast wind 16 to 21 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 80. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 96. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a low around 80. Breezy, with a southeast wind 13 to 20 mph, with gusts as high as 36 mph.
Tuesday
Partly sunny, with a high near 96. Southeast wind 14 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. East southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 90. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
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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:
1:00 pm CDT May 16, 2026
Forecast Valid:
1pm CDT May 16, 2026-6pm CDT May 22, 2026
 
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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