10-Day Weather Forecast - Port Isabel, TX

Mostly cloudy in the morning then becoming partly sunny. Not as cool with highs in the mid 70s. Northwest winds around 5 mph becoming northeast in the afternoon.

Mostly cloudy. Lows in the mid 60s. East winds around 5 mph becoming south after midnight.

Mostly sunny. Highs in the lower 80s. Temperature falling into the mid 70s in the afternoon. West winds around 5 mph becoming north in the afternoon.

Partly cloudy. Lows in the upper 50s. North winds 15 to 20 mph with gusts up to 25 mph.

Mostly sunny. Cooler with highs in the upper 60s.

Partly cloudy. Lows in the mid 50s.

Mostly sunny. Highs in the lower 70s.

Mostly clear. Lows in the upper 50s.

Sunny. Highs around 80.

Mostly clear. Lows in the lower 60s.

Sunny. Highs in the lower 80s.

Mostly clear. Lows in the lower 60s.

Mostly sunny. Highs around 80.

Cloudy with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 65F. Dew point will be around 62F with an average humidity of 84%. Winds will be 4 mph from the NE.

Cloudy with a 30% chance for rain and thunderstorms. High temperature around 70F. Dew point will be around 62F with an average humidity of 82%. Winds will be 7 mph from the NE.

Cloudy with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 67F. Dew point will be around 65F with an average humidity of 90%. Winds will be 5 mph from the E.

Cloudy. High temperature around 72F. Dew point will be around 65F with an average humidity of 85%. Winds will be 6 mph from the E.

Mostly clear. Low temperature around 67F. Dew point will be around 65F with an average humidity of 90%. Winds will be 6 mph from the SE.