10-Day Weather Forecast - San Marcos, TX

Sunny cooler with highs in the mid 60s. Northeast winds 10 to 15 mph. Gusts up to 30 mph in the morning.

Clear. Lows in the lower 40s. South winds around 5 mph.

Sunny. Not as cool with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph.

Clear. Lows in the upper 40s. South winds 5 to 10 mph.

Sunny. Highs in the lower 80s.

Partly cloudy. Lows around 60. Highs around 90.

Partly cloudy. Lows around 60. Highs around 90.

Partly cloudy and breezy. Lows in the mid 40s. Highs in the lower 60s.

Partly cloudy and breezy. Lows in the mid 40s. Highs in the lower 60s.

Partly cloudy. Lows in the upper 30s. Highs in the upper 60s.

Partly cloudy. Lows in the upper 30s. Highs in the upper 60s.

Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.

Partly cloudy. Lows in the upper 40s. Highs in the upper 70s.

Clear. Low temperature around 55F. Dew point will be around 55F with an average humidity of 80%. Winds will be 9 mph from the S.

Partly cloudy. High temperature around 77F. Dew point will be around 57F with an average humidity of 70%. Winds will be 9 mph from the S.

Clear. Low temperature around 58F. Dew point will be around 58F with an average humidity of 77%. Winds will be 11 mph from the S.

Sunny. High temperature around 80F. Dew point will be around 59F with an average humidity of 66%. Winds will be 10 mph from the S.

Clear. Low temperature around 60F. Dew point will be around 59F with an average humidity of 75%. Winds will be 11 mph from the S.