10-Day Weather Forecast - San Marcos, TX

Cloudy. Highs in the mid 50s. Northeast winds around 5 mph becoming east in the afternoon.

Cloudy with a 50 percent chance of showers. Lows in the upper 40s. Southeast winds around 5 mph.

Cloudy. A chance of showers mainly in the morning. Highs in the mid 60s. South winds around 5 mph. Chance of rain 50 percent.

Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.

Partly cloudy. Lows in the upper 40s. Highs in the upper 60s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s.

Cloudy. A slight chance of showers in the afternoon. Highs in the upper 60s.

Cloudy with a 40 percent chance of showers. Lows in the mid 30s. Highs in the mid 40s.

Cloudy with a 40 percent chance of showers. Lows in the mid 30s. Highs in the mid 40s.

Mostly cloudy. Cold with lows in the upper 20s. Wind chill readings around 20.

Mostly cloudy. A slight chance of rain showers in the afternoon. Highs in the lower 40s. Wind chill readings around 20 in the morning.

Partly cloudy. Low temperature around 28F. Dew point will be around 24F with an average humidity of 83%. Winds will be 7 mph from the N.

Mostly cloudy. High temperature around 46F. Dew point will be around 32F with an average humidity of 74%. Winds will be 5 mph from the NE.

Cloudy. Low temperature around 38F. Dew point will be around 35F with an average humidity of 86%. Winds will be 3 mph from the E.

Cloudy. High temperature around 52F. Dew point will be around 43F with an average humidity of 82%. Winds will be 2 mph from the E.

Cloudy. Low temperature around 42F. Dew point will be around 42F with an average humidity of 89%. Winds will be 7 mph from the N.

Cloudy. High temperature around 52F. Dew point will be around 41F with an average humidity of 74%. Winds will be 11 mph from the N.

Partly cloudy. Low temperature around 38F. Dew point will be around 37F with an average humidity of 82%. Winds will be 8 mph from the NE.