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

98°F

37°C

Humidity 38%
Wind Speed SE 7 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 26 Aug 12:52 pm CDT
Extended Forecast for

Port Mansfield TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Heat index values as high as 106. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 80. South wind 7 to 15 mph, with gusts as high as 21 mph.

    Low: 80 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Heat index values as high as 106. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 81. Southeast wind 8 to 15 mph, with gusts as high as 21 mph.

    Low: 81 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. South wind 5 to 14 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 81. South wind 5 to 14 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Light and variable wind becoming east 8 to 13 mph in the morning.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. South wind 6 to 13 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Heat index values as high as 106. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 80. South wind 7 to 15 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 90. Heat index values as high as 106. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 81. Southeast wind 8 to 15 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 90. South wind 5 to 14 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 81. South wind 5 to 14 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 89. Light and variable wind becoming east 8 to 13 mph in the morning.
Saturday Night
Mostly clear, with a low around 79. South wind 6 to 13 mph.
Sunday
Sunny, with a high near 91. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 80. Southeast wind 10 to 16 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 91. Breezy, with an east southeast wind 9 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 80.
Tuesday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Mansfield TX
 26.56°N 97.43°W
Last Update:
1:45 pm CDT Aug 26, 2026
Forecast Valid:
1pm CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
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