National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

92°F

33°C

Humidity 54%
Wind Speed S 10 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 3 Aug 10:52 am CDT
Extended Forecast for

Port Mansfield TX

  • Today

    Today: Sunny, with a high near 89. Heat index values as high as 106. East southeast wind 7 to 13 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind 10 to 14 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Heat index values as high as 105. East southeast wind 8 to 14 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. East southeast wind 8 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 88. East southeast wind 6 to 13 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. East southeast wind 7 to 14 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. East southeast wind 6 to 14 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. Southeast wind 9 to 15 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. East southeast wind 7 to 14 mph.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Heat index values as high as 106. East southeast wind 7 to 13 mph.
Tonight
Mostly clear, with a low around 80. South wind 10 to 14 mph.
Monday
Sunny, with a high near 89. Heat index values as high as 105. East southeast wind 8 to 14 mph.
Monday Night
Mostly clear, with a low around 79. East southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 88. East southeast wind 6 to 13 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 80. East southeast wind 7 to 14 mph.
Wednesday
Sunny, with a high near 90. East southeast wind 6 to 14 mph.
Wednesday Night
Mostly clear, with a low around 80. Southeast wind 9 to 15 mph.
Thursday
Sunny, with a high near 89. East southeast wind 7 to 14 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 90. Southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 80.
Saturday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Mansfield TX
 26.56°N 97.43°W
Last Update:
11:30 am CDT Aug 3, 2025
Forecast Valid:
11am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation