10-Day Weather Forecast - Costa Mesa, CA

Patchy fog in the morning. Partly cloudy. Local visibility one quarter mile or less at times in the morning. Highs around 67 at the beaches to 69 to 72 farther inland and near higher coastal terrain. Light winds.

Partly cloudy. Patchy fog overnight. Lows around 52. Light winds.

Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs around 65 at the beaches to 69 farther inland and near higher coastal terrain. Light winds.

Partly cloudy in the evening. . . Becoming mostly cloudy overnight with patchy fog. Lows around 53. Light winds.

Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs around 66 at the beaches to 70 farther inland and near higher coastal terrain.

Partly cloudy in the evening. . . Becoming mostly cloudy. Lows 51 to 54.

Cloudy in the morning. . . Becoming mostly cloudy. Highs 65 to 70.

Clear. Lows 51 to 54.

Partly cloudy. A chance of showers in the afternoon. Highs around 64 at the beaches to 65 to 68 farther inland and near higher coastal terrain.

Showers. Lows around 55.

Showers. Locally heavy rainfall possible. Highs 62 to 65.

Showers. Lows around 55.

Showers likely. Highs 63 to 66.

Cloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 49F. Dew point will be around 51F with an average humidity of 100%. Winds will be 4 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 52F. Dew point will be around 50F with an average humidity of 95%. Winds will be 3 mph from the SW.

Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 46F. Dew point will be around 47F with an average humidity of 95%. Winds will be 1 mph from the SW.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 54F. Dew point will be around 46F with an average humidity of 79%. Winds will be 2 mph from the N.

Clear. Low temperature around 46F. Dew point will be around 41F with an average humidity of 74%. Winds will be 4 mph from the NE.