10-Day Weather Forecast - Port Isabel, TX

Sunny breezy with highs in the lower 80s. South winds 15 to 25 mph with gusts up to 30 mph.

Mostly clear. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph.

Sunny. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 25 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s. South winds 10 to 15 mph.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows in the lower 60s.

Sunny. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s.

Sunny. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s.

Sunny. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the lower 80s.

Clear. Low temperature around 70F. Dew point will be around 68F with an average humidity of 89%. Winds will be 11 mph from the SE.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 79F. Dew point will be around 69F with an average humidity of 79%. Winds will be 14 mph from the SE.

Clear. Low temperature around 70F. Dew point will be around 68F with an average humidity of 87%. Winds will be 12 mph from the SE.

Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 78F. Dew point will be around 69F with an average humidity of 80%. Winds will be 13 mph from the SE.

Clear. Low temperature around 71F. Dew point will be around 68F with an average humidity of 87%. Winds will be 12 mph from the SE.