10-Day Weather Forecast - Port Isabel, TX

Sunny. Highs in the lower 80s. Southeast winds 10 to 15 mph.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the mid 80s.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the mid 80s.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the lower 80s.

Mostly clear. Low temperature around 70F. Dew point will be around 67F with an average humidity of 84%. Winds will be 9 mph from the E.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 74F. Dew point will be around 66F with an average humidity of 81%. Winds will be 13 mph from the NE.

Partly cloudy. Low temperature around 69F. Dew point will be around 64F with an average humidity of 81%. Winds will be 9 mph from the NE.

Partly cloudy. High temperature around 74F. Dew point will be around 66F with an average humidity of 80%. Winds will be 9 mph from the E.

Clear. Low temperature around 69F. Dew point will be around 66F with an average humidity of 83%. Winds will be 9 mph from the E.

Sunny. High temperature around 76F. Dew point will be around 67F with an average humidity of 79%. Winds will be 10 mph from the SE.

Clear. Low temperature around 71F. Dew point will be around 67F with an average humidity of 83%. Winds will be 12 mph from the SE.

Sunny with a slight chance of rain. Chance of precipitation 25%. 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 with a slight chance of rain. Chance of precipitation 25%. Low temperature around 73F. Dew point will be around 69F with an average humidity of 83%. Winds will be 13 mph from the SE.