San Marcos, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Drizzle
    57°
    Friday 5/3
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Drizzle
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. High temperature around 66F. Dew point will be around 55F with an average humidity of 76%. Winds will be 6 mph from the W.
    Night Details
    Partly cloudy. Patchy drizzle overnight. Patchy fog overnight. Lows 44 to 54. Areas of winds west to 10 mph this evening becoming light.
  • Forecast day icon
    Saturday
    Drizzle
    67°
    Forecast night icon
    Night
    50% Chance of Rain
    57°
    Saturday 5/4
    Day
    67°
    Drizzle
    Forecast day icon
    Night
    57°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Patchy drizzle in the morning. Patchy fog in the morning. Highs 68 to 73. Areas of winds southwest to 10 mph. . . Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
    Night Details
    Cloudy. A slight chance of rain in the evening then a chance of rain overnight. Patchy fog overnight. Lows 47 to 52 in wind sheltered areas to 42 to 51 in warmer locations. Areas of winds southwest 10 to 15 mph. Gusts to 25 mph. . . Becoming 30 mph overnight. Chance of measurable precipitation 50 percent.
  • Forecast day icon
    Sunday
    Partly Cloudy
    58°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Sunday 5/5
    Day
    58°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly cloudy with a slight chance of rain in the morning then partly cloudy in the afternoon. Highs around 64 in the western valleys to 56 to 61 near the foothills. Areas of winds west 10 to 20 mph with gusts to 30 mph. Chance of measurable precipitation 20 percent.
    Night Details
    Partly cloudy. Patchy fog overnight. Colder. Lows 35 to 45. Areas of winds west 10 to 15 mph with gusts to 25 mph becoming southeast overnight.
  • Forecast day icon
    Monday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 5/6
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Warmer. Highs 70 to 75.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 41 to 49.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Tuesday 5/7
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 72 to 77.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 43 to 51.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Wednesday 5/8
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 75 to 80.
    Night Details
    Partly cloudy. Patchy fog overnight. Lows 47 to 53.
  • Forecast day icon
    Thursday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Thursday 5/9
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 78 to 83.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 48 to 55.
  • Forecast day icon
    Friday
    Partly Cloudy
    73°
    Forecast night icon
    Night
    Clear
    57°
    Friday 5/10
    Day
    73°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy. Highs 80 to 85.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 53F with an average humidity of 74%. Winds will be 3 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    56°
    Saturday 5/11
    Day
    72°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 72F. Dew point will be around 54F with an average humidity of 61%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 56F. Dew point will be around 52F with an average humidity of 75%. Winds will be 3 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    68°
    Forecast night icon
    Night
    Clear
    56°
    Sunday 5/12
    Day
    68°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 55F with an average humidity of 69%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 56F. Dew point will be around 53F with an average humidity of 81%. Winds will be 3 mph from the W.