10-Day Weather Forecast - Fullerton, CA

Sunny. Highs around 69. Light winds.

Mostly clear. Lows 46 to 49. Light winds.

Mostly sunny. Highs around 70. Light winds.

Mostly clear. Lows around 49. Light winds.

Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 72 to 75.

Mostly clear. Lows 50 to 53.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 76 to 79.

Mostly clear. Lows 53 to 56.

Mostly sunny. Highs around 80.

Mostly clear. Lows 53 to 56.

Mostly sunny. Highs around 76 towards the coast to 80 farther inland.

Mostly clear. Lows 53 to 56.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 75 to 79.

Clear. Low temperature around 57F. Dew point will be around 46F with an average humidity of 61%. Winds will be 2 mph from the E.

Sunny. High temperature around 73F. Dew point will be around 46F with an average humidity of 45%. Winds will be 2 mph from the SW.

Clear. Low temperature around 56F. Dew point will be around 48F with an average humidity of 67%. Winds will be 3 mph from the E.

Sunny. High temperature around 70F. Dew point will be around 47F with an average humidity of 52%. Winds will be 2 mph from the SE.

Mostly clear. Low temperature around 54F. Dew point will be around 47F with an average humidity of 70%. Winds will be 2 mph from the E.