News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- New: 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
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
84°F
29°C
| Humidity | 82% |
| Wind Speed | SE 15 mph |
| Barometer | 29.95 in (1014.2 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 13 Aug 12:53 am CDT |
Extended Forecast for
4 Miles SSW Port Isabel TX
Overnight
Low: 82 °F
Mostly Clear
Thursday
High: 90 °F
Sunny and
BreezyThursday Night
Low: 82 °F
Mostly Clear
and Breezy
then Mostly
ClearFriday
High: 90 °F
Sunny then
Sunny and
BreezyFriday Night
Low: 82 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 80 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 80 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 82. South southeast wind around 14 mph.
Thursday
Sunny, with a high near 90. Breezy, with a south southeast wind 14 to 20 mph.
Thursday Night
Mostly clear, with a low around 82. Breezy, with a southeast wind 11 to 18 mph.
Friday
Sunny, with a high near 90. Breezy, with a south southeast wind 11 to 18 mph.
Friday Night
Mostly clear, with a low around 82. South southeast wind 11 to 17 mph.
Saturday
Sunny, with a high near 89. East southeast wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 80. Southeast wind 5 to 13 mph.
Sunday
Sunny, with a high near 93. Light southeast wind becoming east southeast 9 to 14 mph in the morning.
Sunday Night
Mostly clear, with a low around 80. East southeast wind 6 to 11 mph becoming light south southeast after midnight.
Monday
Sunny, with a high near 93. Light south southeast wind becoming east southeast 8 to 13 mph in the morning.
Monday Night
Mostly clear, with a low around 80. East southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 80.
Wednesday
Sunny, with a high near 94.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Port Isabel TX
26.01°N 97.24°W
26.01°N 97.24°W
1:00 am CDT Aug 13, 2026
1am CDT Aug 13, 2026-6pm CDT Aug 19, 2026
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Hourly Weather Forecast
