10-Day Weather Forecast - Port Isabel, TX

Sunny. Highs in the upper 70s. Southeast winds around 5 mph increasing to 10 to 15 mph in the afternoon.

Clear. Lows in the lower 60s. Southeast winds 10 to 15 mph.

Sunny. Highs in the lower 80s.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the upper 80s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s.

Mostly cloudy and breezy cooler with highs in the mid 70s.

Mostly cloudy. Lows around 60.

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 70s.

Mostly cloudy. Lows in the lower 60s.

Partly sunny. Highs in the upper 70s.

Partly cloudy. Low temperature around 68F. Dew point will be around 62F with an average humidity of 78%. Winds will be 10 mph from the SE.

Cloudy. High temperature around 75F. Dew point will be around 63F with an average humidity of 72%. Winds will be 9 mph from the E.

Clear. Low temperature around 67F. Dew point will be around 63F with an average humidity of 78%. Winds will be 8 mph from the E.

Sunny. High temperature around 77F. Dew point will be around 64F with an average humidity of 72%. Winds will be 7 mph from the E.

Clear. Low temperature around 68F. Dew point will be around 64F with an average humidity of 78%. Winds will be 9 mph from the SE.

Sunny. High temperature around 79F. Dew point will be around 65F with an average humidity of 72%. Winds will be 9 mph from the SE.

Clear. Low temperature around 69F. Dew point will be around 65F with an average humidity of 78%. Winds will be 12 mph from the SE.