Costa Mesa, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Friday 5/10
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 68 to 73. Highs around 68 at the beaches to 70 to 73 farther inland and near higher coastal terrain. Areas of winds west 10 to 15 mph.
    Night Details
    Partly cloudy in the evening. . . Becoming cloudy. Lows 53 to 57. Areas of winds west 10 mph in the evening becoming light.
  • Forecast day icon
    Saturday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Saturday 5/11
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming mostly sunny. Highs 68 to 72. Light winds becoming southwest 10 mph in the afternoon.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows 54 to 58. Areas of winds southwest 10 mph in the evening becoming light.
  • Forecast day icon
    Sunday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Sunday 5/12
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs around 68 at the beaches to 70 to 73 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 54 to 58. Areas of winds southwest to 10 mph becoming southeast 10 mph overnight.
  • Forecast day icon
    Monday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Partly Cloudy
    61°
    Monday 5/13
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    61°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs 67 to 72.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 53 to 58.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Tuesday 5/14
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Highs around 66 at the beaches to 70 farther inland and near higher coastal terrain.
    Night Details
    Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 52 to 56.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Wednesday 5/15
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning. . . Becoming partly cloudy. Highs 66 to 70.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 52 to 56.
  • Forecast day icon
    Thursday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    62°
    Thursday 5/16
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    62°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy in the morning. . . Becoming partly cloudy. Highs 66 to 70.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 53 to 57.
  • Forecast day icon
    Friday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Clear
    64°
    Friday 5/17
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    64°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy in the morning. . . Becoming mostly sunny. Highs around 67 at the beaches to 69 to 72 farther inland and near higher coastal terrain.
    Night Details
    Clear. Low temperature around 64F. Dew point will be around 56F with an average humidity of 71%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Saturday
    Sunny
    73°
    Forecast night icon
    Night
    Clear
    64°
    Saturday 5/18
    Day
    73°
    Sunny
    Forecast day icon
    Night
    64°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 56F with an average humidity of 60%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 64F. Dew point will be around 56F with an average humidity of 71%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Sunday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    61°
    Sunday 5/19
    Day
    70°
    Sunny
    Forecast day icon
    Night
    61°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 55F with an average humidity of 63%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 61F. Dew point will be around 55F with an average humidity of 75%. Winds will be 4 mph from the SW.