San Marcos, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    55°
    Sunday 5/19
    Forecast night icon
    55°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Low temperature around 55F. Dew point will be around 51F with an average humidity of 80%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    Drizzle
    66°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Monday 5/20
    Day
    66°
    Drizzle
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog this morning. Partly cloudy with patchy drizzle this morning then mostly sunny this afternoon. Highs 69 to 74. Areas of winds south to 10 mph becoming west this afternoon.
    Night Details
    Partly cloudy. Patchy fog overnight. Lows 41 to 51. Areas of winds west to 10 mph in the evening becoming light.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 5/21
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 70 to 75. Light winds becoming west 10 mph in the afternoon.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 42 to 52. Areas of winds west to 10 mph in the evening becoming light.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Mostly Cloudy
    56°
    Wednesday 5/22
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    56°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 71 to 76. Areas of winds west to 10 mph. . . Becoming 10 to 15 mph in the afternoon.
    Night Details
    Mostly clear in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 43 to 53.
  • Forecast day icon
    Thursday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Mostly Cloudy
    56°
    Thursday 5/23
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning. . . Becoming mostly sunny. Highs 67 to 72.
    Night Details
    Mostly clear in the evening. . . Becoming mostly cloudy. Lows 43 to 53.
  • Forecast day icon
    Friday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Friday 5/24
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning. . . Becoming mostly sunny. Highs 66 to 71.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 42 to 52.
  • Forecast day icon
    Saturday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Saturday 5/25
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming mostly sunny. Highs 64 to 69.
    Night Details
    Partly cloudy in the evening. . . Becoming cloudy. Lows 42 to 52.
  • Forecast day icon
    Sunday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Sunday 5/26
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy in the morning. . . Becoming mostly sunny. Highs 67 to 72.
    Night Details
    Partly cloudy. Low temperature around 55F. Dew point will be around 52F with an average humidity of 85%. Winds will be 4 mph from the W.
  • Forecast day icon
    Monday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Clear
    57°
    Monday 5/27
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 70F. Dew point will be around 55F with an average humidity of 70%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 55F with an average humidity of 83%. Winds will be 3 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    74°
    Forecast night icon
    Night
    Clear
    60°
    Tuesday 5/28
    Day
    74°
    Sunny
    Forecast day icon
    Night
    60°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 57F with an average humidity of 64%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 60F. Dew point will be around 56F with an average humidity of 76%. Winds will be 3 mph from the W.
  • Forecast day icon
    Wednesday
    Sunny
    76°
    Forecast night icon
    Night
    Clear
    61°
    Wednesday 5/29
    Day
    76°
    Sunny
    Forecast day icon
    Night
    61°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 76F. Dew point will be around 57F with an average humidity of 60%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 61F. Dew point will be around 56F with an average humidity of 75%. Winds will be 4 mph from the SE.