10-Day Weather Forecast - Fontana, CA

Mostly sunny. Highs 83 to 88. Light winds becoming west 10 to 15 mph with gusts to 25 mph this afternoon.

Mostly clear in the evening. . . Becoming partly cloudy. Cooler. Lows around 50 in wind sheltered areas to 50 to 56 in warmer locations. Areas of winds west 10 to 15 mph becoming south overnight.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 70 to 76. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon.

Mostly clear. Patchy fog overnight. Lows around 43 in wind sheltered areas to 44 to 52 in warmer locations. Areas of winds south to 10 mph in the evening becoming light.

Patchy fog in the morning. Mostly sunny. Highs 75 to 80. Light winds becoming west to 10 mph in the afternoon.

Mostly clear. Lows 46 to 52.

Partly cloudy. Highs 75 to 80.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 44 to 50.

Mostly sunny. Highs 73 to 78.

Clear. Lows 44 to 51.

Mostly sunny. Highs 72 to 77.

Mostly clear. Lows 44 to 52.

Mostly sunny. Highs 74 to 80.

Clear. Low temperature around 55F. Dew point will be around 32F with an average humidity of 35%. Winds will be 7 mph from the N.

Sunny. High temperature around 78F. Dew point will be around 34F with an average humidity of 24%. Winds will be 4 mph from the W.

Clear. Low temperature around 54F. Dew point will be around 39F with an average humidity of 46%. Winds will be 2 mph from the W.

Sunny. High temperature around 74F. Dew point will be around 42F with an average humidity of 37%. Winds will be 4 mph from the SW.

Clear. Low temperature around 52F. Dew point will be around 46F with an average humidity of 63%. Winds will be 2 mph from the SW.