10-Day Weather Forecast - Port Isabel, TX

Patchy fog in the morning. Mostly sunny. Highs around 80. East winds 5 to 10 mph.

Mostly clear. Patchy fog in the evening. Areas of fog after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph.

Areas of fog in the morning. Sunny. Highs in the upper 70s. Temperature falling into the mid 70s in the afternoon. Southeast winds 5 to 10 mph.

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

Patchy fog in the morning. Mostly sunny. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s.

Mostly sunny. Highs around 80.

Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s.

Mostly cloudy with a chance of showers in the morning then partly sunny in the afternoon. Breezy cooler with highs around 70. Chance of rain 40 percent.

Mostly cloudy. Low temperature around 51F. Dew point will be around 37F with an average humidity of 57%. Winds will be 14 mph from the N.

Cloudy. High temperature around 56F. Dew point will be around 44F with an average humidity of 66%. Winds will be 13 mph from the N.

Partly cloudy. Low temperature around 55F. Dew point will be around 46F with an average humidity of 68%. Winds will be 5 mph from the N.

Cloudy. High temperature around 63F. Dew point will be around 53F with an average humidity of 74%. Winds will be 4 mph from the E.

Partly cloudy. Low temperature around 61F. Dew point will be around 56F with an average humidity of 82%. Winds will be 4 mph from the SE.

Partly cloudy. High temperature around 68F. Dew point will be around 61F with an average humidity of 84%. Winds will be 9 mph from the SE.

Partly cloudy. Low temperature around 65F. Dew point will be around 61F with an average humidity of 85%. Winds will be 10 mph from the S.