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.

Overcast

75°F

24°C

Humidity 88%
Wind Speed S 17 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Apr 2:52 am CDT
Extended Forecast for

Harlingen, Rio Grande Valley International Airport TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 69. South southeast wind around 15 mph, with gusts as high as 24 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 88. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 34 mph.

    High: 88 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 90 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 70. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 26 mph.

    Low: 70 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Windy, with a south southeast wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 90 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 71. Breezy, with a southeast wind 16 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 90. Breezy, with a south southeast wind 15 to 21 mph, with gusts as high as 30 mph.

    High: 90 °F

    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East southeast wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.

    Low: 64 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. South southeast wind around 15 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 88. Breezy, with a south southeast wind 14 to 24 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly cloudy, with a low around 70. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 90. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Increasing clouds, with a low around 70. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 90. Windy, with a south southeast wind 14 to 19 mph increasing to 23 to 28 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 16 to 22 mph, with gusts as high as 31 mph.
Saturday
Mostly cloudy, with a high near 90. Breezy, with a south southeast wind 15 to 21 mph, with gusts as high as 30 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East southeast wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 76. Breezy, with a northeast wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 62. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 65.
Tuesday
Mostly cloudy, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
 26.24°N 97.65°W
Last Update:
3:30 am CDT Apr 15, 2026
Forecast Valid:
3am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation