News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Rapid-Onset (Flash) Drought Continues to Increase Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- 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
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
80°F
27°C
| Humidity | 85% |
| Wind Speed | SE 6 mph |
| Barometer | 29.97 in (1014.8 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 28 Aug 12:53 am CDT |
Extended Forecast for
10 Miles E Port Mansfield TX
Overnight
Low: 81 °F
Mostly Clear
Friday
High: 94 °F
Sunny
Friday Night
Low: 81 °F
Mostly Clear
Saturday
High: 94 °F
Sunny
Saturday Night
Low: 81 °F
Mostly Clear
Sunday
High: 95 °F
Sunny
Sunday Night
Low: 82 °F
Mostly Clear
Monday
High: 95 °F
Sunny
Monday Night
Low: 82 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 81. South wind around 8 mph.
Friday
Sunny, with a high near 94. Heat index values as high as 109. Light and variable wind becoming east 6 to 11 mph in the afternoon.
Friday Night
Mostly clear, with a low around 81. East southeast wind 6 to 11 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 94. Heat index values as high as 108. Light and variable wind becoming east 6 to 11 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 81. East southeast wind 6 to 11 mph becoming south after midnight.
Sunday
Sunny, with a high near 95. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 82. Southeast wind 10 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 95. Southeast wind 8 to 17 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 82. Southeast wind 10 to 16 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 91. Southeast wind 9 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 82. Southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 82.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
10 Miles E Port Mansfield TX
26.56°N 97.27°W
26.56°N 97.27°W
1:30 am CDT Aug 28, 2026
1am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
