10-Day Weather Forecast - Fontana, CA

Mostly sunny. Hot. Highs 98 to 103. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

Mostly clear. Lows 66 to 71. Areas of winds west to 10 mph with gusts to 25 mph in the evening becoming light.

Mostly sunny. Hot. Highs 97 to 102. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.

Mostly clear. Lows 65 to 70. Areas of winds west to 10 mph in the evening becoming light.

Mostly sunny. Highs 93 to 97.

Mostly clear. Lows 61 to 67.

Partly cloudy. Highs 83 to 88.

Partly cloudy. A slight chance of showers overnight. Lows 56 to 62.

Partly cloudy with a slight chance of showers. Highs 75 to 80.

Partly cloudy with a chance of showers. Breezy. Lows 50 to 56.

Partly cloudy with a chance of showers. Highs 68 to 73.

Partly cloudy with a chance of showers. Lows 47 to 53.

Partly cloudy in the morning..becoming mostly sunny. A slight chance of showers. Highs 71 to 77.

Mostly clear. Low temperature around 53F. Dew point will be around 49F with an average humidity of 83%. Winds will be 4 mph from the NNW.

Sunny. High temperature around 70F. Dew point will be around 52F with an average humidity of 64%. Winds will be 5 mph from the WSW.

Clear. Low temperature around 55F. Dew point will be around 49F with an average humidity of 75%. Winds will be 4 mph from the N.

Sunny. High temperature around 80F. Dew point will be around 49F with an average humidity of 42%. Winds will be 6 mph from the WNW.

Clear. Low temperature around 58F. Dew point will be around 47F with an average humidity of 58%. Winds will be 5 mph from the NNW.