News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
Hazardous Weather Conditions
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
74°F
23°C
| Humidity | 94% |
| Wind Speed | E 6 mph |
| Barometer | 29.97 in (1014.9 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 24 Aug 6:52 am CDT |
Extended Forecast for
Harlingen TX
Today
High: 101 °F
Hot
Tonight
Low: 78 °F
Mostly Clear
Tuesday
High: 101 °F
Hot
Tuesday Night
Low: 78 °F
Mostly Clear
Wednesday
High: 101 °F
Hot
Wednesday Night
Low: 78 °F
Clear
Thursday
High: 101 °F
Hot
Thursday Night
Low: 79 °F
Mostly Clear
Friday
High: 101 °F
Hot
Detailed Forecast
Today
Sunny and hot, with a high near 101. Heat index values as high as 108. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 78. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 110. South southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 78. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny and hot, with a high near 101. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Clear, with a low around 78. South southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny and hot, with a high near 101. Light south southeast wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 79. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Friday
Sunny and hot, with a high near 101. Light south southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 79. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Saturday
A 20 percent chance of showers and thunderstorms. 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 21 mph.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Sunny, with a high near 99.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen TX
26.19°N 97.7°W
26.19°N 97.7°W
6:45 am CDT Aug 24, 2026
7am CDT Aug 24, 2026-6pm CDT Aug 30, 2026
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