10-Day Weather Forecast - San Marcos, TX

Partly cloudy in the morning then clearing. Not as cool with highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

Mostly clear. Lows in the upper 50s. South winds 5 to 10 mph with gusts up to 20 mph.

Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph becoming northwest in the afternoon.

Clear. Lows in the mid 50s. North winds 5 to 10 mph with gusts up to 20 mph.

Clear. Highs in the lower 80s. Lows in the lower 50s.

Clear. Highs in the lower 80s. Lows in the lower 50s.

Clear. Highs in the lower 80s. Lows in the lower 50s.

Clear in the evening then becoming partly cloudy. Lows in the mid 50s.

Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

Cloudy. Low temperature around 59F. Dew point will be around 56F with an average humidity of 83%. Winds will be 10 mph from the SE.

Cloudy with a 50% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 61F with an average humidity of 71%. Winds will be 14 mph from the SE.

Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 61F. Dew point will be around 61F with an average humidity of 86%. Winds will be 13 mph from the SE.

Cloudy with a 55% chance for rain and thunderstorms. High temperature around 78F. Dew point will be around 62F with an average humidity of 69%. Winds will be 15 mph from the S.

Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 61F with an average humidity of 84%. Winds will be 14 mph from the SE.