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.

Fair

78°F

26°C

Humidity 93%
Wind Speed Calm
Barometer 30.09 in (1018.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Aug 1:52 am CDT
Extended Forecast for

7 Miles SSE San Perlita TX

  • Overnight

    Overnight: Partly cloudy, with a low around 76. Light south southeast wind.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 97. Heat index values as high as 109. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Heat index values as high as 111. Light southeast wind becoming east southeast 6 to 11 mph in the morning.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South southeast wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Light south southeast wind becoming east southeast 6 to 11 mph in the morning.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. East southeast wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Light south southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South southeast wind 5 to 14 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. Light south southeast wind.
Wednesday
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 97. Heat index values as high as 109. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 98. Heat index values as high as 111. Light southeast wind becoming east southeast 6 to 11 mph in the morning.
Thursday Night
Mostly clear, with a low around 76. South southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 98. Light south southeast wind becoming east southeast 6 to 11 mph in the morning.
Friday Night
Mostly clear, with a low around 76. East southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 97. Light south southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 76. South southeast wind 5 to 14 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Light southeast wind becoming east southeast 8 to 13 mph in the morning.
Sunday Night
Mostly clear, with a low around 76. South southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE San Perlita TX
 26.4°N 97.6°W
Last Update:
2:18 am CDT Aug 6, 2025
Forecast Valid:
2am CDT Aug 6, 2025-6pm CDT Aug 12, 2025
 
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Additional Resources

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Chance of Precipitation