Costa Mesa, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    59°
    Thursday 4/18
    Forecast night icon
    59°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy this evening. . . Becoming mostly cloudy. Patchy fog overnight. Lows 51 to 55. Areas of winds south 10 mph this evening becoming light.
  • Forecast day icon
    Friday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Friday 4/19
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 65 to 69. Areas of winds south 10 mph.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 51 to 54. Areas of winds southwest 10 mph in the evening becoming light.
  • Forecast day icon
    Saturday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Saturday 4/20
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 66 to 70. Light winds becoming southwest 10 mph in the afternoon.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 51 to 54. Areas of winds southwest 10 mph in the evening becoming light.
  • Forecast day icon
    Sunday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Mostly Clear
    58°
    Sunday 4/21
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    58°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning. . . Becoming mostly sunny. Highs around 70 at the beaches to 74 farther inland and near higher coastal terrain.
    Night Details
    Mostly clear in the evening. . . Becoming cloudy overnight with patchy fog. Lows 52 to 56.
  • Forecast day icon
    Monday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Monday 4/22
    Day
    70°
    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 66 to 70.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 51 to 55.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Tuesday 4/23
    Day
    64°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Patchy fog in the morning. Highs around 65.
    Night Details
    Partly cloudy in the evening. . . Becoming cloudy overnight with patchy fog. Lows 50 to 53.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Wednesday 4/24
    Day
    64°
    Mostly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming mostly cloudy. Patchy fog in the morning. Highs 62 to 65.
    Night Details
    Partly cloudy. Lows 49 to 53.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    59°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Thursday 4/25
    Day
    59°
    Mostly Cloudy
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Patchy fog in the morning. Mostly cloudy. Highs around 65.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 52F. Dew point will be around 47F with an average humidity of 80%. Winds will be 5 mph from the W.
  • Forecast day icon
    Friday
    40% Chance of Rain
    61°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Friday 4/26
    Day
    61°
    40% Chance of Rain
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 61F. Dew point will be around 48F with an average humidity of 67%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 52F. Dew point will be around 48F with an average humidity of 79%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Saturday
    Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Saturday 4/27
    Day
    62°
    Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy. High temperature around 62F. Dew point will be around 48F with an average humidity of 64%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 53F. Dew point will be around 48F with an average humidity of 77%. Winds will be 4 mph from the SW.