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.

Mostly Cloudy

86°F

30°C

Humidity 61%
Wind Speed SE 18 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 18 Apr 12:52 pm CDT
Extended Forecast for

7 Miles NNW Port Mansfield TX

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 85. East southeast wind around 17 mph, with gusts as high as 23 mph.

    High: 85 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 64. East wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 74. Breezy, with a north northeast wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Cloudy, with a low around 64. Northeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. East wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.

    High: 81 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68. East southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. East southeast wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 85. East southeast wind around 17 mph, with gusts as high as 23 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 64. East wind 10 to 16 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 74. Breezy, with a north northeast wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Cloudy, with a low around 64. Northeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. East wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 68. East southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 84. East southeast wind 6 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 69. East southeast wind 8 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 86. Breezy, with a southeast wind 8 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Port Mansfield TX
 26.63°N 97.5°W
Last Update:
1:45 pm CDT Apr 18, 2026
Forecast Valid:
1pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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