10-Day Weather Forecast - Port Lavaca, TX

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 80s. Southeast winds 10 to 15 mph increasing to south 15 to 20 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph becoming south 5 to 10 mph after midnight.

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 80s. South winds 5 to 10 mph increasing to southeast 10 to 15 mph in the afternoon.

Mostly cloudy. Lows in the lower 70s.

Mostly cloudy. Highs in the lower 80s.

Mostly cloudy. Lows in the lower 70s.

Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.

Mostly cloudy with a chance of thunderstorms. A chance of showers. Breezy cooler with lows in the lower 60s. Chance of rain 50 percent.

Mostly cloudy with a chance of showers and thunderstorms. Breezy with highs in the lower 70s. Chance of rain 40 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s.

Mostly cloudy. Highs in the mid 70s.

Clear. Low temperature around 64F. Dew point will be around 54F with an average humidity of 63%. Winds will be 7 mph from the E.

Sunny. High temperature around 76F. Dew point will be around 60F with an average humidity of 69%. Winds will be 9 mph from the SE.

Partly cloudy. Low temperature around 68F. Dew point will be around 63F with an average humidity of 78%. Winds will be 12 mph from the SE.

Mostly cloudy. High temperature around 78F. Dew point will be around 67F with an average humidity of 79%. Winds will be 13 mph from the S.

Partly cloudy. Low temperature around 71F. Dew point will be around 68F with an average humidity of 86%. Winds will be 12 mph from the SE.

Mostly cloudy with a 50% chance for rain and thunderstorms. High temperature around 79F. Dew point will be around 70F with an average humidity of 81%. Winds will be 7 mph from the SE.

Partly cloudy. Low temperature around 71F. Dew point will be around 68F with an average humidity of 85%. Winds will be 8 mph from the SE.