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- New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Partly Cloudy
89°F
32°C
| Humidity | 72% |
| Wind Speed | SE 20 G 29 mph |
| Barometer | 29.96 in (1014.5 mb) |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 13 Oct 11:53 am CDT |
Extended Forecast for
10 Miles E Port Mansfield TX
Today
High: 91 °F
Sunny and
BreezyTonight
Low: 81 °F
Partly Cloudy
Wednesday
High: 90 °F
Mostly Sunny
and BreezyWednesday Night
Low: 79 °F
Partly Cloudy
and Breezy
then Mostly
ClearThursday
High: 89 °F
Sunny
Thursday Night
Low: 78 °F
Mostly Clear
Friday
High: 86 °F
Showers
Likely and
BreezyFriday Night
Low: 74 °F
Showers
Likely and
WindySaturday
High: 81 °F
Showers
Likely and
Windy
Detailed Forecast
Today
Sunny, with a high near 91. Heat index values as high as 110. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 81. Southeast wind 15 to 17 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 90. Heat index values as high as 106. Breezy, with a southeast wind 14 to 22 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 79. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 89. Southeast wind 13 to 15 mph.
Thursday Night
Mostly clear, with a low around 78. East wind 6 to 13 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Breezy, with a north northeast wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 74. Windy, with a north northeast wind 23 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Windy, with a north wind 25 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 74. Breezy, with a north northeast wind 15 to 21 mph, with gusts as high as 26 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. North northeast wind around 16 mph, with gusts as high as 21 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
10 Miles E Port Mansfield TX
26.56°N 97.27°W
26.56°N 97.27°W
11:45 am CDT Oct 13, 2026
11am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
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