News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- New: July-September 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected; Heat Risk And Water Supply Issues To 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
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
82°F
28°C
| Humidity | 77% |
| Wind Speed | S 7 mph |
| Barometer | 29.86 in (1011.0 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 22 Jul 10:52 pm CDT |
Extended Forecast for
Harlingen, Rio Grande Valley International Airport TX
Overnight

Low: 77 °F
Mostly Cloudy
Thursday
High: 99 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 78 °F
Chance
T-storms then
Chance
ShowersFriday

High: 98 °F
Mostly Sunny
and BreezyFriday Night
Low: 77 °F
Mostly Clear
and Breezy
then Mostly
ClearSaturday

High: 98 °F
Sunny
Saturday Night

Low: 76 °F
Clear
Sunday

High: 99 °F
Sunny
Sunday Night

Low: 76 °F
Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 99. Heat index values as high as 105. South southeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 1am. Mostly cloudy, with a low around 78. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 98. Heat index values as high as 106. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 77. Breezy, with a southeast wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 98. Southeast wind 7 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Clear, with a low around 76. East southeast wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 99. Southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Clear, with a low around 76. Southeast wind 9 to 17 mph, with gusts as high as 23 mph.
Monday
Sunny and hot, with a high near 101. Breezy, with a south southeast wind 9 to 18 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 77. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 28 mph.
Tuesday
Sunny and hot, with a high near 101. Breezy.
Tuesday Night
Clear, with a low around 78. Breezy.
Wednesday
Sunny and hot, with a high near 101. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
26.24°N 97.65°W
26.24°N 97.65°W
12:45 am CDT Jul 23, 2026
12am CDT Jul 23, 2026-6pm CDT Jul 29, 2026


