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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.

Fair

76°F

24°C

Humidity	54%
Wind Speed	N 20 G 30 mph
Barometer	30.24 in (1024.1 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	18 Oct 1:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Los Fresnos TX

This Afternoon
High: 78 °F
Mostly Cloudy
Tonight
Low: 68 °F
Slight Chance
Showers then
Mostly Cloudy
Monday
High: 83 °F
Partly Sunny
then Chance
Showers
Monday Night
Low: 73 °F
Chance
Showers
Tuesday
High: 86 °F
Slight Chance
Showers
Tuesday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
Showers
Wednesday
High: 86 °F
Showers
Likely
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 86 °F
Sunny

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 78. North wind around 13 mph, with gusts as high as 21 mph.

Tonight

A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 68. North northwest wind 6 to 9 mph.

Monday

A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 83. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.

Monday Night

A 30 percent chance of showers, mainly before 1am. Cloudy during the early evening, then gradual clearing, with a low around 73. North northeast wind 5 to 9 mph becoming light northeast.

Tuesday

A 20 percent chance of showers. Mostly sunny, with a high near 86. Northeast wind 6 to 15 mph, with gusts as high as 23 mph.

Tuesday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 73. Northeast wind 5 to 10 mph.

Wednesday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. North northeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Wednesday Night

Mostly clear, with a low around 71. East northeast wind 5 to 9 mph becoming calm in the evening.

Thursday

Sunny, with a high near 86. East northeast wind 5 to 13 mph, with gusts as high as 20 mph.

Thursday Night

Clear, with a low around 69. East northeast wind 5 to 8 mph becoming calm in the evening.

Friday

Sunny, with a high near 87. Light east northeast wind becoming east 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 72.

Saturday

Sunny, with a high near 87.