San Marcos, Texas | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    70°
    Sunday 5/5
    Forecast night icon
    70°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Patchy fog. Near steady temperature around 70. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Mostly Cloudy
    82°
    Forecast night icon
    Night
    Partly Cloudy
    72°
    Monday 5/6
    Day
    82°
    Mostly Cloudy
    Forecast day icon
    Night
    72°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 20 percent.
    Night Details
    Partly cloudy in the evening then becoming cloudy. Lows around 70. South winds 10 to 15 mph.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    87°
    Forecast night icon
    Night
    Partly Cloudy
    72°
    Tuesday 5/7
    Day
    87°
    Mostly Cloudy
    Forecast day icon
    Night
    72°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs around 90. South winds 5 to 10 mph.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    88°
    Forecast night icon
    Night
    Partly Cloudy
    73°
    Wednesday 5/8
    Day
    88°
    Partly Cloudy
    Forecast day icon
    Night
    73°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs around 90. Lows in the upper 60s.
    Night Details
    Partly cloudy. Highs around 90. Lows in the upper 60s.
  • Forecast day icon
    Thursday
    Partly Cloudy
    87°
    Forecast night icon
    Night
    Partly Cloudy
    70°
    Thursday 5/9
    Day
    87°
    Partly Cloudy
    Forecast day icon
    Night
    70°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs around 90. Lows in the upper 60s.
    Night Details
    Partly cloudy. Lows in the lower 60s. Highs around 80.
  • Forecast day icon
    Friday
    Partly Cloudy
    80°
    Forecast night icon
    Night
    Partly Cloudy
    65°
    Friday 5/10
    Day
    80°
    Partly Cloudy
    Forecast day icon
    Night
    65°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the lower 60s. Highs around 80.
    Night Details
    Partly cloudy. Lows in the lower 60s. Highs around 80.
  • Forecast day icon
    Saturday
    Partly Cloudy
    82°
    Forecast night icon
    Night
    Partly Cloudy
    62°
    Saturday 5/11
    Day
    82°
    Partly Cloudy
    Forecast day icon
    Night
    62°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the lower 60s. Highs around 80.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows around 60.
  • Forecast day icon
    Sunday
    Chance of Storms
    77°
    Forecast night icon
    Night
    Mostly Clear
    62°
    Sunday 5/12
    Day
    77°
    Chance of Storms
    Forecast day icon
    Night
    62°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 70s.
    Night Details
    Mostly clear. Low temperature around 62F. Dew point will be around 61F with an average humidity of 77%. Winds will be 5 mph from the E.
  • Forecast day icon
    Monday
    40% Chance of Rain
    79°
    Forecast night icon
    Night
    50% Chance of Rain
    63°
    Monday 5/13
    Day
    79°
    40% Chance of Rain
    Forecast day icon
    Night
    63°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 40% chance for rain and thunderstorms. High temperature around 79F. Dew point will be around 62F with an average humidity of 72%. Winds will be 6 mph from the SE.
    Night Details
    Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 64F with an average humidity of 79%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    82°
    Forecast night icon
    Night
    30% Chance of Rain
    66°
    Tuesday 5/14
    Day
    82°
    30% Chance of Rain
    Forecast day icon
    Night
    66°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 25% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 65F with an average humidity of 74%. Winds will be 7 mph from the SE.
    Night Details
    Partly cloudy with a 25% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 67F with an average humidity of 80%. Winds will be 9 mph from the SE.