News Headlines
- New: Quick Summary of Starr County Damaging Wind, Hail, and Flash Flooding March 7-8, 2026
- New! Understand Spring and Summer Hazardous Weather in the RGV with the 2026 Guide
- Winter 2025/2026 Weather and Climate Summary for the RGV - Warm and Dry - and a Hard Freeze - Worsens Drought
- March-May (Spring 2026) Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, wildfire potential, water supply, and heat risk concerns are in focus
- The Potential for Wildfire Spread Will Remain Acute through Early March. Stop Wildfires Before they Start with Smokey Bear
Hazardous Weather Conditions
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
96°F
36°C
| Humidity | 13% |
| Wind Speed | NW 18 G 23 mph |
| Barometer | 29.86 in (1010.9 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 11 Mar 4:52 pm CDT |
Extended Forecast for
Harlingen TX
Fire Weather Watch March 12, 10:00am until March 12, 07:00pm
Red Flag Warning March 11, 05:11pm until March 11, 08:00pm
NOW until 8:00pm Wed
Red Flag Warning
Tonight
Low: 59 °F
Mostly Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 49 °F
Clear
Friday
High: 83 °F
Sunny
Friday Night
Low: 59 °F
Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 59. Northwest wind 6 to 15 mph becoming northeast in the evening. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 75. North wind 14 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Clear, with a low around 49. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 83. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Friday Night
Clear, with a low around 59. South southeast wind 6 to 11 mph.
Saturday
Sunny, with a high near 88. Southeast wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 66. Southeast wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 93. South southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 63. South southeast wind 9 to 14 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.
Monday
Mostly cloudy, with a high near 74. Breezy, with a north wind 17 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 57. North northeast wind 7 to 15 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen TX
26.19°N 97.7°W
26.19°N 97.7°W
5:00 pm CDT Mar 11, 2026
5pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
