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

78°F

26°C

Humidity 90%
Wind Speed S 13 mph
Barometer 29.82 in (1009.5 mb)
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index80°F (27°C)
Last update 29 Apr 1:52 am CDT
Extended Forecast for

Primera TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 74. South southeast wind around 14 mph, with gusts as high as 26 mph.

    Low: 74 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 94. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 29 mph.

    High: 94 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 74. East southeast wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 93. Southeast wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 93 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 74. East southeast wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. South wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East wind 13 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 73. Breezy, with a north wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. North wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 74. South southeast wind around 14 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 94. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Increasing clouds, with a low around 74. East southeast wind 9 to 15 mph, with gusts as high as 23 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 93. Southeast wind 8 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 74. East southeast wind 10 to 16 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 95. South wind 9 to 15 mph, with gusts as high as 24 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. East wind 13 to 15 mph becoming north after midnight. Winds could gust as high as 26 mph.
Saturday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 73. Breezy, with a north wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 60. North wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 80. North northwest wind around 9 mph becoming east northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 61. East northeast wind 6 to 11 mph becoming light southeast in the evening.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Primera TX
 26.21°N 97.75°W
Last Update:
2:30 am CDT Apr 29, 2026
Forecast Valid:
2am CDT Apr 29, 2026-6pm CDT May 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation