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Hazardous Weather Conditions
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
A Few Clouds
94°F
34°C
| Humidity | 56% |
| Wind Speed | S 13 G 22 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 107°F (42°C) |
| Last update | 2 Sep 10:52 am CDT |
Extended Forecast for
Harlingen TX
Heat Advisory September 2, 12:00pm until September 2, 06:00pm
Today
High: 103 °F
Hot
Tonight
Low: 80 °F
Mostly Clear
Thursday
High: 102 °F
Hot
Thursday Night
Low: 79 °F
Mostly Clear
Friday
High: 101 °F
Hot
Friday Night
Low: 79 °F
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 78 °F
Mostly Clear
Sunday
High: 100 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Today
Sunny and hot, with a high near 103. Heat index values as high as 113. South southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 80. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny and hot, with a high near 102. Heat index values as high as 113. South southeast wind 7 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 79. South southeast wind 7 to 17 mph, with gusts as high as 28 mph.
Friday
Mostly sunny and hot, with a high near 101. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 79. South southeast wind 6 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny and hot, with a high near 100. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 78. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 78. East southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Labor Day
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 100. Light south southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen TX
26.19°N 97.67°W
26.19°N 97.67°W
11:45 am CDT Sep 2, 2026
11am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
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