10-Day Weather Forecast - Fullerton, CA

Mostly sunny. Highs 79 to 82. Light winds becoming west 10 mph in the afternoon.

Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows around 54. Areas of winds southwest 10 mph in the evening becoming light.

Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 67 to 71. Areas of winds south 10 mph.

Mostly clear in the evening. . . Becoming partly cloudy. Lows around 50. Areas of winds south to 10 mph in the evening becoming light.

Partly cloudy. Highs 72 to 76.

Clear. Lows around 51.

Mostly sunny. Highs 73 to 77.

Mostly clear. Lows around 51.

Mostly sunny. Highs 73 to 78.

Clear. Lows around 52.

Mostly sunny. Highs 75 to 78.

Mostly clear. Lows 51 to 54.

Mostly sunny. Highs 77 to 81.

Clear. Low temperature around 56F. Dew point will be around 39F with an average humidity of 45%. Winds will be 4 mph from the NE.

Sunny. High temperature around 76F. Dew point will be around 39F with an average humidity of 31%. Winds will be 4 mph from the SW.

Clear. Low temperature around 55F. Dew point will be around 44F with an average humidity of 57%. Winds will be 3 mph from the SW.

Sunny. High temperature around 71F. Dew point will be around 46F with an average humidity of 47%. Winds will be 5 mph from the SW.

Clear. Low temperature around 53F. Dew point will be around 48F with an average humidity of 73%. Winds will be 3 mph from the SW.