Fontana, CA Weather - Tomorrow’s Forecast

Wednesday

Heavy rain

High:
63°F

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 63. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Wednesday Night

Heavy rain

Overnight low:
53°F

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 53. Southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.