10-Day Weather Forecast - Fontana, CA

Mostly sunny. Highs 78 to 83. Areas of winds east 15 to 25 mph. Gusts to 40 mph. . . Becoming 35 mph in the afternoon.

Clear. Lows 45 to 48 in wind sheltered areas to 49 to 55 in warmer locations. Areas of winds east 10 to 15 mph. Gusts to 30 mph. . . Becoming 25 mph overnight.

Sunny. Highs 76 to 80. Areas of winds north 10 to 15 mph. Gusts to 25 mph in the morning.

Mostly clear. Lows 48 to 53.

Mostly sunny. Highs 76 to 81.

Mostly clear. Lows 48 to 53.

Mostly sunny. Highs 76 to 80.

Mostly clear in the evening. . . Becoming partly cloudy. Lows 48 to 52.

Partly cloudy in the morning. . . Becoming mostly sunny. Highs 75 to 80.

Mostly clear. Lows 46 to 52.

Mostly sunny. Highs 73 to 76.

Mostly clear. Low temperature around 56F. Dew point will be around 36F with an average humidity of 43%. Winds will be 2 mph from the NE.

Partly cloudy. High temperature around 69F. Dew point will be around 39F with an average humidity of 40%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 54F. Dew point will be around 48F with an average humidity of 70%. Winds will be 3 mph from the SW.

Partly cloudy. High temperature around 62F. Dew point will be around 47F with an average humidity of 65%. Winds will be 5 mph from the SW.

Cloudy. Low temperature around 53F. Dew point will be around 49F with an average humidity of 80%. Winds will be 4 mph from the SW.

Partly cloudy. High temperature around 62F. Dew point will be around 44F with an average humidity of 60%. Winds will be 2 mph from the S.

Clear. Low temperature around 51F. Dew point will be around 43F with an average humidity of 66%. Winds will be 1 mph from the SW.