10-Day Weather Forecast - San Marcos, TX

Sunny. Highs in the upper 60s. North winds 15 to 20 mph with gusts up to 35 mph.

Clear. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 30 mph diminishing to around 5 mph after midnight.

Sunny. Highs in the lower 60s. North winds around 5 mph becoming southwest in the afternoon.

Clear. Lows in the lower 40s. South winds 5 to 10 mph with gusts up to 20 mph.

Sunny. Highs in the upper 60s.

Mostly clear. Lows in the upper 30s. Highs around 60.

Mostly clear. Lows in the upper 30s. Highs around 60.

Clear. Lows in the mid 30s. Highs in the mid 60s.

Clear. Lows in the mid 30s. Highs in the mid 60s.

Clear in the evening then becoming partly cloudy. Lows in the lower 40s.

Partly cloudy. Highs in the upper 60s.

Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s.

Mostly cloudy. Lows in the lower 40s. Highs in the lower 60s.

Cloudy. Low temperature around 53F. Dew point will be around 52F with an average humidity of 89%. Winds will be 6 mph from the S.

Cloudy. High temperature around 67F. Dew point will be around 58F with an average humidity of 83%. Winds will be 10 mph from the S.

Partly cloudy. Low temperature around 57F. Dew point will be around 57F with an average humidity of 92%. Winds will be 7 mph from the S.

Cloudy. High temperature around 72F. Dew point will be around 61F with an average humidity of 81%. Winds will be 11 mph from the S.

Partly cloudy. Low temperature around 59F. Dew point will be around 59F with an average humidity of 89%. Winds will be 8 mph from the S.