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 SE 9 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Aug 12:52 am CDT
Extended Forecast for

Raymondville TX

  • Overnight

    Overnight: Mostly clear, with a low around 76. South southeast wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Heat index values as high as 107. Light southeast wind becoming east southeast 5 to 10 mph in the morning.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. East southeast wind 5 to 10 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Labor Day

    Labor Day: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 96. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

    High: 96 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. East wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 74 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 93. Light and variable wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 70%.

    High: 93 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 73. East northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 73 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Light and variable wind becoming east northeast 5 to 7 mph in the morning.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. East wind 5 to 8 mph becoming calm after midnight.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 76. South southeast wind around 6 mph.
Sunday
Sunny, with a high near 97. Heat index values as high as 107. Light southeast wind becoming east southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 75. East southeast wind 5 to 10 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Labor Day
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 96. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. East wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 93. Light and variable wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 73. East northeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Light and variable wind becoming east northeast 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 72. East wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 96. Calm wind becoming east 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 72. East wind 5 to 9 mph becoming light and variable after midnight.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Raymondville TX
 26.48°N 97.78°W
Last Update:
1:00 am CDT Aug 31, 2025
Forecast Valid:
1am 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