10-Day Weather Forecast - Port Isabel, TX

Sunny. Highs in the lower 70s. Northeast winds 10 to 15 mph.

Mostly clear. Lows around 60. Southeast winds around 5 mph.

Sunny. Highs around 80. South winds 10 to 15 mph.

Mostly clear. Lows in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph.

Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph.

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

Mostly sunny. Highs in the upper 70s.

Mostly clear. Patchy fog after midnight. Lows in the mid 60s.

Patchy fog in the morning. Sunny. Highs in the upper 70s.

Mostly clear. Patchy fog after midnight. Lows in the mid 60s.

Sunny. Highs in the upper 70s.

Mostly clear. Lows in the mid 60s.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Low temperature around 68F. Dew point will be around 67F with an average humidity of 93%. Winds will be 6 mph from the SE.

Mostly sunny. High temperature around 78F. Dew point will be around 69F with an average humidity of 85%. Winds will be 9 mph from the SE.

Clear. Low temperature around 68F. Dew point will be around 67F with an average humidity of 91%. Winds will be 9 mph from the SE.

Sunny. High temperature around 77F. Dew point will be around 69F with an average humidity of 84%. Winds will be 11 mph from the SE.

Clear. Low temperature around 68F. Dew point will be around 67F with an average humidity of 90%. Winds will be 7 mph from the SE.

Mostly sunny with a 35% chance for rain and thunderstorms. High temperature around 76F. Dew point will be around 67F with an average humidity of 84%. Winds will be 6 mph from the SE.

Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 62F with an average humidity of 85%. Winds will be 4 mph from the NE.