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 and Breezy

84°F

29°C

Humidity 59%
Wind Speed SE 21 G 29 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Apr 5:52 pm CDT
Extended Forecast for

Harlingen, Rio Grande Valley International Airport TX

  • Tonight

    Tonight: Increasing clouds, with a low around 70. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 28 mph.

    Low: 70 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 90. Breezy, with a south southeast wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 90 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 71. Breezy, with a southeast wind 15 to 22 mph, with gusts as high as 31 mph.

    Low: 71 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 91. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 31 mph.

    High: 91 °F

    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 65. East southeast wind 9 to 16 mph becoming north northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 76. Breezy, with a north northeast wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 76 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 64. Northeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 79. East wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. East southeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 70. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 28 mph.
Friday
Partly sunny, with a high near 90. Breezy, with a south southeast wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
Friday Night
Mostly cloudy, with a low around 71. Breezy, with a southeast wind 15 to 22 mph, with gusts as high as 31 mph.
Saturday
Mostly cloudy, with a high near 91. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 31 mph.
Saturday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 65. East southeast wind 9 to 16 mph becoming north northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 76. Breezy, with a north northeast wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 64. Northeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 79. East wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. East southeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 84. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 67. Southeast wind 7 to 13 mph.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Partly sunny, with a high near 88. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
 26.24°N 97.65°W
Last Update:
6:00 pm CDT Apr 16, 2026
Forecast Valid:
6pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation