San Marcos, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 5/7
    Day
    69°
    Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 53F with an average humidity of 71%. Winds will be 6 mph from the SW.
    Night Details
    Mostly clear this evening. . . Becoming partly cloudy. Patchy fog overnight. Lows 43 to 51. Areas of winds southwest to 10 mph this evening becoming light.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Wednesday 5/8
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly sunny. Highs 73 to 78. Light winds becoming west 10 to 15 mph in the afternoon.
    Night Details
    Clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 45 to 53. Areas of winds west to 10 mph in the evening becoming light.
  • Forecast day icon
    Thursday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Thursday 5/9
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming sunny. Highs 73 to 78. Areas of winds southwest to 10 mph becoming west in the afternoon.
    Night Details
    Clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 46 to 54. Areas of winds west to 10 mph in the evening becoming light.
  • Forecast day icon
    Friday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Friday 5/10
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 76 to 81.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 46 to 54.
  • Forecast day icon
    Saturday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Saturday 5/11
    Day
    70°
    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 74 to 79.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 46 to 54.
  • Forecast day icon
    Sunday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Sunday 5/12
    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 78.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 45 to 55.
  • Forecast day icon
    Monday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Monday 5/13
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs 73 to 78.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 46 to 54.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Hazy
    53°
    Tuesday 5/14
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Hazy
    Forecast night icon
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs around 72 in the western valleys to 73 to 78 near the foothills.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 54F with an average humidity of 91%. Winds will be 3 mph from the W.
  • Forecast day icon
    Wednesday
    Sunny
    65°
    Forecast night icon
    Night
    Hazy
    53°
    Wednesday 5/15
    Day
    65°
    Sunny
    Forecast day icon
    Night
    53°
    Hazy
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 55F with an average humidity of 78%. Winds will be 6 mph from the W.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 53F with an average humidity of 93%. Winds will be 3 mph from the W.
  • Forecast day icon
    Thursday
    Sunny
    64°
    Forecast night icon
    Night
    Hazy
    53°
    Thursday 5/16
    Day
    64°
    Sunny
    Forecast day icon
    Night
    53°
    Hazy
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 54F with an average humidity of 79%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 53F with an average humidity of 92%. Winds will be 3 mph from the W.