National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Partly Cloudy

92°F

33°C

Humidity 62%
Wind Speed S 16 G 28 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 19 Jun 11:52 am CDT
Extended Forecast for

Harlingen TX

Extreme Heat Warning until June 19, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until June 19, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • Juneteenth

    High: 98 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 82. South southeast wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 82 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 95. Heat index values as high as 110. South southeast wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 95 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 81. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 81 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. South southeast wind 13 to 17 mph, with gusts as high as 31 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. South southeast wind 15 to 17 mph, with gusts as high as 32 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 32 mph.

    High: 97 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 81. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 31 mph.

    Low: 81 °F

    Clear and
    Breezy then
    Mostly Clear

Detailed Forecast

Juneteenth
Partly sunny, with a high near 98. Heat index values as high as 116. South southeast wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 82. South southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 95. Heat index values as high as 110. South southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 81. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 95. South southeast wind 13 to 17 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 81. South southeast wind 15 to 17 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 97. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 81. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 96. South southeast wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 79. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 97. South southeast wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
12:45 pm CDT Jun 19, 2026
Forecast Valid:
12pm CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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