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.

Fair

82°F

28°C

Humidity 85%
Wind Speed SE 9 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 29 Aug 9:52 pm CDT
Extended Forecast for

Primera TX

  • Tonight

    Tonight: Mostly clear, with a low around 77. South southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Heat index values as high as 107. South southeast wind 6 to 13 mph.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southeast wind 6 to 14 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. Heat index values as high as 106. Southeast wind 5 to 11 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 97 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 94. Light and variable wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 94 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 98. Heat index values as high as 107. South southeast wind 6 to 13 mph.
Saturday Night
Mostly clear, with a low around 77. South southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 98. Heat index values as high as 106. Southeast wind 5 to 11 mph.
Sunday Night
Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Labor Day
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 40%.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 94. Light and variable wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Light and variable wind becoming north northeast 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 74. East northeast wind 5 to 9 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Primera TX
 26.23°N 97.75°W
Last Update:
10:45 pm CDT Aug 29, 2025
Forecast Valid:
10pm CDT Aug 29, 2025-6pm CDT Sep 5, 2025
 
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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