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.

Partly Cloudy

90°F

32°C

Humidity 63%
Wind Speed S 10 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 31 Aug 10:52 am CDT
Extended Forecast for

2 Miles ENE Harlingen TX

  • Today

    Today: Mostly sunny, with a high near 98. Heat index values as high as 107. East wind 7 to 10 mph.

    High: 98 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 40%.

    High: 96 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 77. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%.

    Low: 77 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Partly sunny, with a high near 94. North northwest wind 5 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 70%.

    High: 94 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 75. East northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 75 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light and variable wind becoming northeast 5 to 9 mph in the morning.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. East wind 5 to 9 mph becoming light and variable after midnight.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 97 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 98. Heat index values as high as 107. East wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 77. East southeast wind 8 to 13 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Labor Day
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 77. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Partly sunny, with a high near 94. North northwest wind 5 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 75. East northeast wind 5 to 8 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Light and variable wind becoming northeast 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. East wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 74. East wind 5 to 10 mph becoming light and variable after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Light south southeast wind becoming east southeast 5 to 10 mph in the morning.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Harlingen TX
 26.21°N 97.67°W
Last Update:
11:30 am CDT Aug 31, 2025
Forecast Valid:
11am CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
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