San Marcos, Texas | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Chance of Drizzle
    88°
    Forecast night icon
    Night
    30% Chance of Storms
    68°
    Thursday 4/18
    Day
    88°
    Chance of Drizzle
    Forecast day icon
    Night
    68°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Areas of fog this morning. Cloudy with a slight chance of very light drizzle this morning then partly cloudy this afternoon. Highs in the upper 80s. South winds 5 to 10 mph.
    Night Details
    Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening then mostly cloudy after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    Mostly Cloudy
    78°
    Forecast night icon
    Night
    Chance of Storms
    67°
    Friday 4/19
    Day
    78°
    Mostly Cloudy
    Forecast day icon
    Night
    67°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly cloudy. Highs in the upper 70s. Northeast winds 5 to 10 mph.
    Night Details
    Cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    70% Chance of Storms
    77°
    Forecast night icon
    Night
    Thunderstorms
    58°
    Saturday 4/20
    Day
    77°
    70% Chance of Storms
    Forecast day icon
    Night
    58°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Cloudy. A slight chance of showers and thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. East winds 10 to 15 mph. Chance of rain 70 percent.
    Night Details
    Showers with thunderstorms likely in the evening then showers likely with a chance of thunderstorms after midnight. Cooler with lows in the mid 50s. Chance of rain near 100 percent.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    64°
    Forecast night icon
    Night
    Mostly Cloudy
    56°
    Sunday 4/21
    Day
    64°
    Mostly Cloudy
    Forecast day icon
    Night
    56°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
    Night Details
    Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
  • Forecast day icon
    Monday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Monday 4/22
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    79°
    Forecast night icon
    Night
    Mostly Cloudy
    68°
    Tuesday 4/23
    Day
    79°
    Mostly Cloudy
    Forecast day icon
    Night
    68°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower 80s. Lows in the mid 60s.
    Night Details
    Mostly cloudy. Highs in the lower 80s. Lows in the mid 60s.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    81°
    Forecast night icon
    Night
    40% Chance of Rain
    67°
    Wednesday 4/24
    Day
    81°
    Mostly Cloudy
    Forecast day icon
    Night
    67°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy. Highs in the lower 80s. Lows in the mid 60s.
    Night Details
    Partly cloudy with a 40% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 69F with an average humidity of 91%. Winds will be 10 mph from the SE.
  • Forecast day icon
    Thursday
    60% Chance of Rain
    81°
    Forecast night icon
    Night
    30% Chance of Rain
    66°
    Thursday 4/25
    Day
    81°
    60% Chance of Rain
    Forecast day icon
    Night
    66°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 60% chance for rain and thunderstorms. High temperature around 81F. Dew point will be around 69F with an average humidity of 79%. Winds will be 8 mph from the S.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 66F. Dew point will be around 68F with an average humidity of 85%. Winds will be 7 mph from the SE.
  • Forecast day icon
    Friday
    50% Chance of Rain
    82°
    Forecast night icon
    Night
    50% Chance of Rain
    67°
    Friday 4/26
    Day
    82°
    50% Chance of Rain
    Forecast day icon
    Night
    67°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 50% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 68F with an average humidity of 76%. Winds will be 5 mph from the S.
    Night Details
    Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 68F with an average humidity of 88%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Saturday
    60% Chance of Storms
    82°
    Forecast night icon
    Night
    40% Chance of Storms
    68°
    Saturday 4/27
    Day
    82°
    60% Chance of Storms
    Forecast day icon
    Night
    68°
    40% Chance of Storms
    Forecast night icon
    Day Details
    Cloudy with a 60% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 69F with an average humidity of 79%. Winds will be 7 mph from the SE.
    Night Details
    Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 70F with an average humidity of 88%. Winds will be 8 mph from the SE.