10-Day Weather Forecast - San Marcos, TX

Mostly cloudy in the morning then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. South winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 70. South winds 5 to 10 mph.

Mostly cloudy in the morning then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. South winds 5 to 10 mph with gusts up to 20 mph.

Partly cloudy. Lows around 70.

Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s.

Mostly cloudy. A chance of showers and thunderstorms mainly in the evening. Lows in the upper 60s. Chance of rain 30 percent.

Cloudy. A slight chance of showers and thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Cooler with highs in the lower 80s. Chance of rain 30 percent.

Cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.

Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.

Mostly cloudy with a chance of showers. A chance of thunderstorms mainly in the evening. Cooler with lows in the mid 50s. Chance of rain 30 percent.

Mostly cloudy in the morning then becoming partly cloudy. A slight chance of showers. Highs in the lower 70s.

Clear. Low temperature around 58F. Dew point will be around 52F with an average humidity of 70%. Winds will be 10 mph from the N.

Sunny. High temperature around 77F. Dew point will be around 55F with an average humidity of 64%. Winds will be 6 mph from the NE.

Partly cloudy. Low temperature around 58F. Dew point will be around 56F with an average humidity of 71%. Winds will be 5 mph from the E.

Sunny. High temperature around 80F. Dew point will be around 57F with an average humidity of 63%. Winds will be 5 mph from the S.

Partly cloudy. Low temperature around 62F. Dew point will be around 58F with an average humidity of 70%. Winds will be 5 mph from the SE.

Partly cloudy. High temperature around 82F. Dew point will be around 60F with an average humidity of 64%. Winds will be 5 mph from the S.

Partly cloudy. Low temperature around 64F. Dew point will be around 61F with an average humidity of 71%. Winds will be 5 mph from the S.