San Marcos, Texas | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    74°
    Wednesday 5/8
    Forecast night icon
    74°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy this evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 70s. South winds 5 to 10 mph.
  • Forecast day icon
    Thursday
    Partly Cloudy
    92°
    Forecast night icon
    Night
    Mostly Cloudy
    71°
    Thursday 5/9
    Day
    92°
    Partly Cloudy
    Forecast day icon
    Night
    71°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly cloudy in the morning then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
    Night Details
    Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 60s. Northeast winds 10 to 15 mph.
  • Forecast day icon
    Friday
    Partly Cloudy
    78°
    Forecast night icon
    Night
    Mostly Cloudy
    68°
    Friday 5/10
    Day
    78°
    Partly Cloudy
    Forecast day icon
    Night
    68°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Cooler with highs in the lower 80s. Northeast winds around 15 mph with gusts up to 25 mph.
    Night Details
    Mostly cloudy. Lows in the mid 60s. Northeast winds 10 to 15 mph.
  • Forecast day icon
    Saturday
    Chance of Storms
    76°
    Forecast night icon
    Night
    40% Chance of Storms
    67°
    Saturday 5/11
    Day
    76°
    Chance of Storms
    Forecast day icon
    Night
    67°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    60% Chance of Storms
    73°
    Forecast night icon
    Night
    30% Chance of Storms
    69°
    Sunday 5/12
    Day
    73°
    60% Chance of Storms
    Forecast day icon
    Night
    69°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Cloudy with showers likely. A chance of thunderstorms in the morning then thunderstorms likely in the afternoon. Highs in the upper 70s. Chance of rain 60 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms mainly in the evening. Lows in the upper 60s. Chance of rain 30 percent.
  • Forecast day icon
    Monday
    50% Chance of Storms
    79°
    Forecast night icon
    Night
    Chance of Storms
    65°
    Monday 5/13
    Day
    79°
    50% Chance of Storms
    Forecast day icon
    Night
    65°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
    Night Details
    Mostly clear with a slight chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 60s.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    87°
    Forecast night icon
    Night
    Partly Cloudy
    67°
    Tuesday 5/14
    Day
    87°
    Partly Cloudy
    Forecast day icon
    Night
    67°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the upper 80s. Lows in the mid 60s.
    Night Details
    Partly cloudy. Highs in the upper 80s. Lows in the mid 60s.
  • Forecast day icon
    Wednesday
    Chance of Storms
    88°
    Forecast night icon
    Night
    40% Chance of Rain
    68°
    Wednesday 5/15
    Day
    88°
    Chance of Storms
    Forecast day icon
    Night
    68°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s.
    Night Details
    Clear with a 40% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 68F with an average humidity of 80%. Winds will be 6 mph from the E.
  • Forecast day icon
    Thursday
    Partly Cloudy
    82°
    Forecast night icon
    Night
    Clear
    67°
    Thursday 5/16
    Day
    82°
    Partly Cloudy
    Forecast day icon
    Night
    67°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with scattered thunderstorms. Chance of storms 35%. High temperature around 82F. Dew point will be around 68F with an average humidity of 76%. Winds will be 4 mph from the E.
    Night Details
    Clear. Low temperature around 67F. Dew point will be around 66F with an average humidity of 77%. Winds will be 4 mph from the E.
  • Forecast day icon
    Friday
    Sunny
    85°
    Forecast night icon
    Night
    Clear
    68°
    Friday 5/17
    Day
    85°
    Sunny
    Forecast day icon
    Night
    68°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 85F. Dew point will be around 67F with an average humidity of 70%. Winds will be 3 mph from the S.
    Night Details
    Clear. Low temperature around 68F. Dew point will be around 67F with an average humidity of 75%. Winds will be 5 mph from the SE.