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.

Light Rain

77°F

25°C

Humidity 96%
Wind Speed N 14 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Oct 10:52 pm CDT
Extended Forecast for

Primera TX

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 72. North wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 83. North wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 83 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 11pm, then showers and possibly a thunderstorm, mainly after 11pm. Low around 72. North wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 84. North wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 71. North wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 88. North wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. North northeast wind 5 to 8 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. North northeast wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Northeast wind 5 to 8 mph becoming calm.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 72. North wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 83. North wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and thunderstorms before 11pm, then showers and possibly a thunderstorm, mainly after 11pm. Low around 72. North wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 84. North wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 71. North wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 88. North wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 71. North northeast wind 5 to 8 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. North northeast wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 71. Northeast wind 5 to 8 mph becoming calm.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 89. North wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Northeast wind 5 to 10 mph becoming light north northeast. Winds could gust as high as 20 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Primera TX
 26.21°N 97.75°W
Last Update:
11:30 pm CDT Oct 3, 2026
Forecast Valid:
11pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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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