10-Day Weather Forecast - San Marcos, TX

Mostly cloudy. Highs in the lower 60s. North winds around 5 mph becoming northeast this afternoon.

Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. South winds around 5 mph becoming west after midnight. Chance of rain 20 percent.

Mostly cloudy. A slight chance of showers in the morning. Highs around 60. Southwest winds around 5 mph.

Partly cloudy in the evening then becoming clear. Lows in the lower 40s. Southwest winds 5 to 10 mph.

Sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph becoming north in the afternoon. Gusts up to 30 mph.

Clear. Lows in the upper 30s. Highs around 60.

Clear. Lows in the upper 30s. Highs around 60.

Clear. Lows in the upper 30s. Highs around 60.

Mostly sunny. Highs in the mid 60s.

Partly cloudy. Lows in the upper 30s.

Mostly sunny. Highs in the upper 50s.

Clear. Lows in the mid 30s.

Mostly sunny. Highs in the mid 60s.

Clear. Low temperature around 40F. Dew point will be around 28F with an average humidity of 51%. Winds will be 3 mph from the S.

Partly cloudy. High temperature around 62F. Dew point will be around 39F with an average humidity of 54%. Winds will be 5 mph from the S.

Cloudy. Low temperature around 47F. Dew point will be around 43F with an average humidity of 76%. Winds will be 3 mph from the SE.

Cloudy. High temperature around 61F. Dew point will be around 49F with an average humidity of 73%. Winds will be 5 mph from the SE.

Cloudy. Low temperature around 52F. Dew point will be around 51F with an average humidity of 89%. Winds will be 5 mph from the S.