10-Day Weather Forecast - San Marcos, TX
As of
- |75°F
ClearHourly detailsTonight
75°FClear. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph.
- 103|78°F
Hot and HumidHourly detailsDay
103°FMostly sunny. Hot with highs around 101. South winds around 5 mph.
Night
78°F
Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
- 99|78°F
40% Chance of StormsHourly detailsDay
99°FMostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Hot with highs around 100. West winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 40 percent. Highest heat index readings up to 106.
Night
78°F
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 40 percent.
- 102|78°FHot and HumidHourly details
Day
102°FMostly sunny. Hot with highs around 100. Highest heat index readings up to 110.
Night
78°FClear. Lows in the mid 70s. Highest heat index readings up to 110.
Weekend Weather
- 101|77°F
SunnyHourly detailsDay
101°FClear. Highs in the upper 90s. Highest heat index readings up to 110.
Night
77°FClear. Lows in the mid 70s. Highest heat index readings up to 110.
- 100|76°FSunnyHourly details
Day
100°FClear. Highs in the upper 90s. Highest heat index readings up to 110.
Night
76°FClear. Lows in the mid 70s. Highest heat index readings up to 110.
- 99|76°F
Partly CloudyHourly detailsDay
99°FPartly cloudy in the morning, then clearing. Highs in the upper 90s. Highest heat index readings up to 105.
Night
76°FClear. Lows in the mid 70s.
- 98|75°FPartly Cloudy
Day
98°FPartly cloudy in the morning, then clearing. Highs in the upper 90s. Highest heat index readings up to 105.
Night
75°FMostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 75F. Dew point will be around 72F with an average humidity of 73%. Winds will be 8 mph from the S.
- 99|75°FHot and Humid
Day
99°FMostly sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 99F. Dew point will be around 73F with an average humidity of 60%. Winds will be 4 mph from the SE.
Night
75°F
Partly cloudy with scattered thunderstorms. Chance of storms 35%. Low temperature around 75F. Dew point will be around 72F with an average humidity of 71%. Winds will be 6 mph from the S.
- 98|75°FHot and Humid
Day
98°FMostly sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 98F. Dew point will be around 74F with an average humidity of 61%. Winds will be 4 mph from the SE.
Night
75°FPartly cloudy with scattered thunderstorms. Chance of storms 35%. Low temperature around 75F. Dew point will be around 72F with an average humidity of 72%. Winds will be 6 mph from the SE.
