10-Day Weather Forecast - Costa Mesa, CA

Partly cloudy. Highs 73 to 76 at the beaches to 78 farther inland and near higher coastal terrain. Areas of winds south 10 mph.

Cloudy. Lows around 53. Areas of winds southeast 10 mph in the evening becoming light.

Cloudy in the morning. . . Becoming partly cloudy. Highs around 67 at the beaches to 68 to 72 farther inland and near higher coastal terrain. Areas of winds south 10 mph.

Partly cloudy. Patchy fog overnight. Lows around 50. Light winds.

Mostly cloudy with patchy fog in the morning. . . Becoming partly cloudy. Highs around 70 at the beaches to 71 to 75 farther inland and near higher coastal terrain.

Mostly clear. Lows 51 to 54.

Mostly sunny. Highs around 73 at the beaches to 76 to 79 farther inland and near higher coastal terrain.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 51 to 54.

Partly cloudy in the morning. . . Becoming mostly cloudy. Highs 68 to 73.

Mostly cloudy. A slight chance of showers overnight. Lows 51 to 54.

Cloudy in the morning. . . Becoming mostly cloudy. A chance of showers. Highs 63 to 67.

Mostly cloudy with a chance of showers. Lows around 50.

Partly cloudy. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs 61 to 65.

Cloudy. Low temperature around 46F. Dew point will be around 48F with an average humidity of 93%. Winds will be 3 mph from the S.

Mostly sunny. High temperature around 61F. Dew point will be around 47F with an average humidity of 68%. Winds will be 3 mph from the SW.

Clear. Low temperature around 47F. Dew point will be around 47F with an average humidity of 85%. Winds will be 2 mph from the E.

Sunny. High temperature around 64F. Dew point will be around 47F with an average humidity of 64%. Winds will be 4 mph from the SW.

Clear. Low temperature around 47F. Dew point will be around 48F with an average humidity of 86%. Winds will be 3 mph from the SE.