10-Day Weather Forecast - Port Isabel, TX

Sunny. Highs in the mid 60s. North winds 5 to 10 mph. Gusts up to 20 mph in the morning.

Clear. Lows in the mid 40s. Southeast winds around 5 mph becoming southwest after midnight.

Sunny. Highs in the mid 70s. Southwest winds around 5 mph becoming south in the afternoon.

Clear. Lows in the lower 50s. South winds around 5 mph.

Sunny. Highs in the mid 70s.

Partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs in the mid 70s.

Partly cloudy. Lows in the upper 50s.

Partly sunny. Highs in the mid 70s.

Mostly cloudy. Lows in the lower 60s.

Partly sunny. Highs in the upper 70s.

Mostly clear. Lows in the lower 60s.

Sunny. Highs around 80.

Clear. Low temperature around 65F. Dew point will be around 66F with an average humidity of 95%. Winds will be 8 mph from the SE.

Partly cloudy. High temperature around 76F. Dew point will be around 67F with an average humidity of 82%. Winds will be 11 mph from the SE.

Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 96%. Winds will be 10 mph from the S.

Mostly cloudy. High temperature around 76F. Dew point will be around 66F with an average humidity of 78%. Winds will be 5 mph from the S.

Clear. Low temperature around 64F. Dew point will be around 62F with an average humidity of 83%. Winds will be 2 mph from the SE.