Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

82°F

28°C

Humidity 77%
Wind Speed S 7 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 22 Jul 10:52 pm CDT
Extended Forecast for

Harlingen, Rio Grande Valley International Airport TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 99. Heat index values as high as 105. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 99 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 1am.  Mostly cloudy, with a low around 78. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 98. Heat index values as high as 106. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 30 mph.

    High: 98 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Breezy, with a southeast wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Southeast wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. East southeast wind 6 to 16 mph, with gusts as high as 23 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 99. Southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 99 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76. Southeast wind 9 to 17 mph, with gusts as high as 23 mph.

    Low: 76 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 99. Heat index values as high as 105. South southeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 1am. Mostly cloudy, with a low around 78. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 98. Heat index values as high as 106. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 77. Breezy, with a southeast wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 98. Southeast wind 7 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Clear, with a low around 76. East southeast wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 99. Southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Clear, with a low around 76. Southeast wind 9 to 17 mph, with gusts as high as 23 mph.
Monday
Sunny and hot, with a high near 101. Breezy, with a south southeast wind 9 to 18 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 77. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 28 mph.
Tuesday
Sunny and hot, with a high near 101. Breezy.
Tuesday Night
Clear, with a low around 78. Breezy.
Wednesday
Sunny and hot, with a high near 101. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
 26.24°N 97.65°W
12:45 am CDT Jul 23, 2026
12am CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
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