Fountain Valley, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    56°
    Thursday 4/18
    Forecast night icon
    56°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy this evening. . . Becoming mostly cloudy. Patchy fog overnight. Lows 50 to 54. Areas of winds south 10 mph this evening becoming light.
  • Forecast day icon
    Friday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Friday 4/19
    Day
    62°
    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 70 to 73. Light winds becoming southwest 10 mph in the afternoon.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 50 to 54. Areas of winds southwest 10 mph in the evening becoming light.
  • Forecast day icon
    Saturday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Saturday 4/20
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs around 70 towards the coast to 71 to 75 farther inland. Light winds becoming southwest 10 to 15 mph in the afternoon.
    Night Details
    Mostly clear. Lows 52 to 55. Areas of winds southwest 10 to 15 mph in the evening becoming light.
  • Forecast day icon
    Sunday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Sunday 4/21
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning. . . Becoming mostly sunny. Highs around 76 towards the coast to 80 farther inland.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 52 to 56.
  • Forecast day icon
    Monday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Monday 4/22
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Partly cloudy. Highs around 70 towards the coast to 71 to 75 farther inland.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 50 to 55.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Tuesday 4/23
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Patchy fog in the morning. Highs 65 to 68.
    Night Details
    Partly cloudy in the evening. . . Becoming cloudy overnight with patchy fog. Lows 49 to 53.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 4/24
    Day
    62°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Patchy fog in the morning. Highs 64 to 67.
    Night Details
    Partly cloudy. Lows 48 to 53.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    56°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Thursday 4/25
    Day
    56°
    Mostly Cloudy
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Patchy fog in the morning. Mostly cloudy. Highs 65 to 69.
    Night Details
    Mostly cloudy. Low temperature around 49F. Dew point will be around 50F with an average humidity of 96%. Winds will be 5 mph from the W.
  • Forecast day icon
    Friday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Friday 4/26
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 52F with an average humidity of 86%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 49F. Dew point will be around 51F with an average humidity of 94%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Saturday
    Cloudy
    59°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Saturday 4/27
    Day
    59°
    Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy. High temperature around 59F. Dew point will be around 52F with an average humidity of 83%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 51F with an average humidity of 92%. Winds will be 4 mph from the SW.