10-Day Weather Forecast - Costa Mesa, CA

Partly cloudy. Highs around 70 at the beaches to 72 to 75 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph this afternoon.

Partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at times overnight. Lows around 54. Light winds.

Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 72 to 75 at the beaches to 76 to 80 farther inland and near higher coastal terrain. Light winds becoming west 10 mph in the afternoon.

Mostly clear. Lows 55 to 59. Light winds.

Mostly sunny. Highs 76 to 80 at the beaches to 81 to 85 farther inland and near higher coastal terrain. Light winds becoming west 10 mph in the afternoon.

Partly cloudy. Lows around 58.

Partly cloudy. Highs 71 to 74 at the beaches to 74 to 78 farther inland and near higher coastal terrain.

Partly cloudy. Lows around 55.

Partly cloudy. Highs around 68 at the beaches to 69 to 73 farther inland and near higher coastal terrain.

Partly cloudy. Lows 51 to 54.

Partly cloudy. Highs 65 to 70.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 52.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs around 68 at the beaches to 69 to 72 farther inland and near higher coastal terrain.

Clear. Low temperature around 52F. Dew point will be around 51F with an average humidity of 76%. Winds will be 3 mph from the W.

Sunny. High temperature around 72F. Dew point will be around 51F with an average humidity of 59%. Winds will be 4 mph from the SW.

Clear. Low temperature around 53F. Dew point will be around 51F with an average humidity of 78%. Winds will be 2 mph from the SW.

Sunny. High temperature around 71F. Dew point will be around 48F with an average humidity of 52%. Winds will be 4 mph from the W.

Clear. Low temperature around 52F. Dew point will be around 47F with an average humidity of 70%. Winds will be 2 mph from the NE.

Sunny. High temperature around 70F. Dew point will be around 44F with an average humidity of 46%. Winds will be 3 mph from the W.

Clear. Low temperature around 52F. Dew point will be around 45F with an average humidity of 63%. Winds will be 2 mph from the NE.