San Marcos, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    60°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Thursday 4/25
    Day
    60°
    30% Chance Rain Showers
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog this morning. Mostly cloudy with a chance of showers this morning then partly cloudy this afternoon. Highs around 64 in the western valleys to 56 to 61 near the foothills. Areas of winds west 10 to 15 mph. Gusts to 25 mph this afternoon. Chance of measurable precipitation 30 percent.
    Night Details
    Partly cloudy in the evening then mostly cloudy with a slight chance of showers overnight. Patchy fog overnight. Colder. Lows 41 to 51. Areas of winds west 10 to 15 mph. Chance of measurable precipitation 20 percent.
  • Forecast day icon
    Friday
    40% Chance Rain Showers
    60°
    Forecast night icon
    Night
    30% Chance Rain Showers
    55°
    Friday 4/26
    Day
    60°
    40% Chance Rain Showers
    Forecast day icon
    Night
    55°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Cloudy with a chance of showers in the morning then partly cloudy with a slight chance of showers in the afternoon. Highs 62 to 65 in the western valleys to 55 to 60 near the foothills. Areas of winds south 10 to 15 mph. Gusts to 30 mph in the afternoon. Chance of measurable precipitation 40 percent.
    Night Details
    Mostly cloudy. A chance of showers in the evening. Patchy fog overnight. Lows 41 to 51. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the evening. Chance of measurable precipitation 30 percent.
  • Forecast day icon
    Saturday
    Partly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Saturday 4/27
    Day
    64°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs around 69 in the western valleys to 63 to 68 near the foothills. Areas of winds south 10 mph becoming west with gusts to 25 mph in the afternoon.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 40 to 49.
  • Forecast day icon
    Sunday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Sunday 4/28
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Mostly Clear
    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. Lows 45 to 52.
  • Forecast day icon
    Monday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Monday 4/29
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly sunny. Highs 77 to 82.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 48 to 54.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 4/30
    Day
    72°
    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 78 to 83.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 47 to 54.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Wednesday 5/1
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 74 to 79.
    Night Details
    Partly cloudy. Low temperature around 54F. Dew point will be around 53F with an average humidity of 84%. Winds will be 4 mph from the W.
  • Forecast day icon
    Thursday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    53°
    Thursday 5/2
    Day
    69°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 54F with an average humidity of 70%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 51F with an average humidity of 84%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Friday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Clear
    52°
    Friday 5/3
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 65F. Dew point will be around 50F with an average humidity of 68%. Winds will be 7 mph from the W.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 49F with an average humidity of 79%. Winds will be 4 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    65°
    Forecast night icon
    Night
    Clear
    52°
    Saturday 5/4
    Day
    65°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 50F with an average humidity of 65%. Winds will be 6 mph from the W.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 49F with an average humidity of 78%. Winds will be 3 mph from the W.