Costa Mesa, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    57°
    Tuesday 5/7
    Forecast night icon
    57°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly clear this evening. . . Becoming mostly cloudy. Patchy fog overnight. Lows 51 to 55. Areas of winds south 10 mph.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Mostly Cloudy
    60°
    Wednesday 5/8
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    60°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs around 68 at the beaches to 72 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
    Night Details
    Clear in the evening. . . Becoming mostly cloudy. Lows 52 to 56. Areas of winds south 10 mph.
  • Forecast day icon
    Thursday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    59°
    Thursday 5/9
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    59°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning. . . Becoming mostly sunny. Highs around 68 at the beaches to 70 to 73 farther inland and near higher coastal terrain. Areas of winds southeast 10 mph becoming southwest in the afternoon.
    Night Details
    Mostly clear in the evening. . . Becoming cloudy. Lows 52 to 55. Areas of winds southwest 10 mph in the evening becoming light.
  • Forecast day icon
    Friday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Friday 5/10
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming mostly sunny. Highs 70 to 74.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 53 to 56.
  • Forecast day icon
    Saturday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Mostly Cloudy
    60°
    Saturday 5/11
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    60°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs around 68 at the beaches to 70 to 73 farther inland and near higher coastal terrain.
    Night Details
    Mostly clear in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 53 to 57.
  • Forecast day icon
    Sunday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Sunday 5/12
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs 66 to 69 at the beaches to 70 farther inland and near higher coastal terrain.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 54 to 58.
  • Forecast day icon
    Monday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Monday 5/13
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning. . . Becoming partly cloudy. Highs around 67 at the beaches to 70 farther inland and near higher coastal terrain.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 53 to 56.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Clear
    56°
    Tuesday 5/14
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs around 67 at the beaches to 70 farther inland and near higher coastal terrain.
    Night Details
    Clear. Low temperature around 56F. Dew point will be around 54F with an average humidity of 84%. Winds will be 5 mph from the S.
  • Forecast day icon
    Wednesday
    Sunny
    66°
    Forecast night icon
    Night
    Clear
    57°
    Wednesday 5/15
    Day
    66°
    Sunny
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 66F. 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 57F. Dew point will be around 54F with an average humidity of 82%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Clear
    57°
    Thursday 5/16
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 65F. Dew point will be around 54F with an average humidity of 71%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 54F with an average humidity of 81%. Winds will be 5 mph from the SW.