10-Day Weather Forecast - San Marcos, TX

Cloudy with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Much cooler with highs in the lower 70s. Temperature falling to around 60 in the afternoon. Northwest winds 5 to 10 mph with gusts up to 20 mph increasing to north 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 50 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers after midnight. Cooler with lows in the lower 50s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 60 percent.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the lower 70s. Northeast winds 10 to 15 mph with gusts up to 30 mph.

Mostly cloudy. Lows in the lower 50s.

Cloudy with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 50 percent.

Cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Chance of rain 40 percent.

Cloudy with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.

Mostly cloudy. Lows in the lower 60s.

Cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s.

Partly cloudy with a slight chance of showers and thunderstorms in the evening then mostly cloudy after midnight. Lows in the mid 60s.

Cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s.

Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 70F. Dew point will be around 67F with an average humidity of 81%. Winds will be 14 mph from the S.

Cloudy with a 85% chance for rain and thunderstorms. High temperature around 84F. Dew point will be around 68F with an average humidity of 70%. Winds will be 10 mph from the S.

Partly cloudy with a 70% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 64F with an average humidity of 75%. Winds will be 7 mph from the SE.

Cloudy with a 55% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 63F with an average humidity of 63%. Winds will be 4 mph from the SE.

Partly cloudy with a 55% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 61F with an average humidity of 71%. Winds will be 5 mph from the SE.

Cloudy with a 40% chance for rain and thunderstorms. High temperature around 81F. Dew point will be around 61F with an average humidity of 61%. Winds will be 4 mph from the SE.

Partly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 60F with an average humidity of 70%. Winds will be 5 mph from the SE.