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.

Mostly Cloudy

86°F

30°C

Humidity 67%
Wind Speed SE 14 mph
Barometer 29.79 in (1008.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 30 Apr 10:52 am CDT
Extended Forecast for

Harlingen TX

  • Today

    Today: Mostly sunny, with a high near 92. South southeast wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. East southeast wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 94. South southeast wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 94 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Breezy, with an east southeast wind 13 to 18 mph becoming north after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 74. Breezy, with a north northwest wind 16 to 18 mph, with gusts as high as 32 mph.

    High: 74 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. North northeast wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. North wind 6 to 9 mph becoming east in the afternoon.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. East wind 5 to 10 mph becoming light southeast after midnight.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 85. Light east southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 92. South southeast wind 13 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 74. East southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 94. South southeast wind 7 to 14 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Breezy, with an east southeast wind 13 to 18 mph becoming north after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 74. Breezy, with a north northwest wind 16 to 18 mph, with gusts as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 61. North northeast wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 80. North wind 6 to 9 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 64. East wind 5 to 10 mph becoming light southeast after midnight.
Monday
Partly sunny, with a high near 85. Light east southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 70. South southeast wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 90. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
Partly cloudy, with a low around 75. Breezy.
Wednesday
Partly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
11:18 am CDT Apr 30, 2026
Forecast Valid:
11am CDT Apr 30, 2026-6pm CDT May 6, 2026
 
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Additional Resources

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Chance of Precipitation