San Marcos, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    53°
    Tuesday 5/7
    Forecast night icon
    53°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 53F. Dew point will be around 52F with an average humidity of 83%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Wednesday 5/8
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog this morning. . . Becoming mostly sunny. Highs 73 to 78. Areas of winds west to 10 mph.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 43 to 52. Areas of winds west to 10 mph in the evening becoming light.
  • Forecast day icon
    Thursday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Thursday 5/9
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 72 to 77. Areas of winds west to 10 mph becoming southwest in the afternoon.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 45 to 53. Areas of winds southwest to 10 mph in the evening becoming light.
  • Forecast day icon
    Friday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Mostly Cloudy
    55°
    Friday 5/10
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 74 to 79. Areas of winds west to 10 mph. . . Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
    Night Details
    Mostly clear in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 46 to 54.
  • Forecast day icon
    Saturday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Saturday 5/11
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 73 to 76 in the western valleys to 75 to 80 near the foothills.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 46 to 55.
  • Forecast day icon
    Sunday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Sunday 5/12
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 73 to 76 in the western valleys to 75 to 80 near the foothills.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 46 to 55.
  • Forecast day icon
    Monday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Mostly Cloudy
    55°
    Monday 5/13
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 74 to 79.
    Night Details
    Mostly clear in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 46 to 55.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Tuesday 5/14
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 71 to 74 in the western valleys to 73 to 78 near the foothills.
    Night Details
    Partly cloudy. Low temperature around 55F. Dew point will be around 54F with an average humidity of 88%. Winds will be 3 mph from the W.
  • Forecast day icon
    Wednesday
    Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Wednesday 5/15
    Day
    70°
    Sunny
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 57F with an average humidity of 77%. Winds will be 5 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 56F. Dew point will be around 55F with an average humidity of 88%. Winds will be 3 mph from the W.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Thursday 5/16
    Day
    69°
    Mostly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 69F. Dew point will be around 57F with an average humidity of 75%. Winds will be 5 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 57F. Dew point will be around 55F with an average humidity of 84%. Winds will be 3 mph from the W.
  • Forecast day icon
    Friday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Clear
    57°
    Friday 5/17
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 69F. Dew point will be around 57F with an average humidity of 73%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 54F with an average humidity of 83%. Winds will be 3 mph from the W.