Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

92°F

33°C

Humidity 56%
Wind Speed SE 20 G 26 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 1 Sep 6:52 pm CDT
Extended Forecast for

San Perlita TX

  • Tonight

    Tonight: Mostly clear, with a low around 77. South southeast wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Heat index values as high as 114. South southeast wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South southeast wind 7 to 16 mph, with gusts as high as 28 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 113. South southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 26 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Southeast wind 5 to 15 mph, with gusts as high as 24 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. East southeast wind 9 to 14 mph becoming light southeast  after midnight. Winds could gust as high as 24 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny and hot, with a high near 100. Light southeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 100 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. East southeast wind 8 to 13 mph becoming light south southeast  after midnight. Winds could gust as high as 23 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South southeast wind 7 to 15 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 102. Heat index values as high as 114. South southeast wind 5 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 78. South southeast wind 7 to 16 mph, with gusts as high as 28 mph.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 113. South southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Mostly clear, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 26 mph.
Friday
Sunny and hot, with a high near 100. Southeast wind 5 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 76. East southeast wind 9 to 14 mph becoming light southeast after midnight. Winds could gust as high as 24 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 100. Light southeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 76. East southeast wind 8 to 13 mph becoming light south southeast after midnight. Winds could gust as high as 23 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Light southeast wind becoming east southeast 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 75. East southeast wind 6 to 11 mph becoming light south southeast after midnight. Winds could gust as high as 22 mph.
Labor Day
Sunny, with a high near 99.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
San Perlita TX
 26.51°N 97.65°W
6:45 pm CDT Sep 1, 2026
6pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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