News Headlines
- Rapid-Onset (Flash) Drought Continues to Worsen Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- RGV Summer (June-August) Weather and Climate Summary - Early Rain Gives Way to Brutal El Nino-Driven Heat, Drought
- New: September-November 2026 Outlook - Warmer Than Normal Conditions Favored; Precipitation A Toss-Up, But Could Trend Wetter Later This Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- The 2026 Atlantic Hurricane Season is Fading...but is not Over Yet. Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Partly Cloudy
96°F
36°C
| Humidity | 46% |
| Wind Speed | E 18 G 25 mph |
| Barometer | 29.94 in (1013.8 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 105°F (41°C) |
| Last update | 25 Sep 2:52 pm CDT |
Extended Forecast for
Harlingen, Rio Grande Valley International Airport TX
This Afternoon
High: 98 °F
Slight Chance
T-stormsTonight
Low: 75 °F
Mostly Clear
Saturday
High: 98 °F
Mostly Sunny
Saturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 99 °F
Mostly Sunny
Sunday Night
Low: 76 °F
Partly Cloudy
Monday
High: 100 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 100 °F
Sunny then
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98. Heat index values as high as 105. East wind around 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 75. East wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 98. Heat index values as high as 106. Light northeast wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 74. East wind 8 to 13 mph becoming light east southeast in the evening.
Sunday
Mostly sunny, with a high near 99. Light east wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 76. East wind 9 to 14 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Light east southeast wind increasing to 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 76. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Southeast wind 7 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 78. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 30 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 36 mph.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 77. Breezy.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
26.24°N 97.65°W
26.24°N 97.65°W
3:18 pm CDT Sep 25, 2026
3pm CDT Sep 25, 2026-6pm CDT Oct 1, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
