Fountain Valley, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    57°
    Monday 5/13
    Forecast night icon
    57°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy this evening. . . Becoming mostly cloudy. Patchy fog overnight. Lows 51 to 57. Areas of winds southwest 10 mph this evening becoming light.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Tuesday 5/14
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs around 70 towards the coast to 71 to 74 farther inland. Light winds becoming southwest 10 to 15 mph in the afternoon.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 51 to 56. Areas of winds southwest 10 mph in the evening becoming light.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Wednesday 5/15
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs 69 to 72. Areas of winds southwest to 10 mph. . . Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy. Patchy fog. Lows 51 to 57. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light.
  • Forecast day icon
    Thursday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Thursday 5/16
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Patchy fog in the morning. Highs around 69 towards the coast to 70 to 73 farther inland.
    Night Details
    Partly cloudy in the evening. . . Becoming cloudy overnight with patchy fog. Lows 52 to 57.
  • Forecast day icon
    Friday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Friday 5/17
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs 71 to 74.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 52 to 57.
  • Forecast day icon
    Saturday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Mostly Clear
    58°
    Saturday 5/18
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    58°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Patchy fog in the morning. Highs around 70 towards the coast to 71 to 74 farther inland.
    Night Details
    Mostly clear in the evening. . . Becoming cloudy overnight with patchy fog. Lows 51 to 56.
  • Forecast day icon
    Sunday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Sunday 5/19
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Patchy fog in the morning. Highs 70 to 73.
    Night Details
    Partly cloudy in the evening. . . Becoming cloudy overnight with patchy fog. Lows 51 to 56.
  • Forecast day icon
    Monday
    Partly Cloudy
    65°
    Forecast night icon
    Night
    Mostly Clear
    57°
    Monday 5/20
    Day
    65°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Mostly Clear
    Forecast night icon
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Patchy fog in the morning. Highs 70 to 73.
    Night Details
    Mostly clear. Low temperature around 57F. Dew point will be around 55F with an average humidity of 88%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Clear
    58°
    Tuesday 5/21
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    58°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 65F. Dew point will be around 57F with an average humidity of 78%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 58F. Dew point will be around 56F with an average humidity of 86%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Wednesday
    Sunny
    67°
    Forecast night icon
    Night
    Clear
    59°
    Wednesday 5/22
    Day
    67°
    Sunny
    Forecast day icon
    Night
    59°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 57F with an average humidity of 75%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 59F. Dew point will be around 56F with an average humidity of 83%. Winds will be 3 mph from the SW.