Saturday
Sunny
High:
87°F
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Fontana, CA Weather - Extended Forecast
Saturday Night
Mostly clear
Overnight low:
63°F
Mostly clear, with a low around 63. West wind around 5 mph becoming calm in the evening.
Sunday
Chance of showers and thunderstorms
High:
86°F
A slight chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Sunday Night
Partly cloudy
Overnight low:
65°F
Partly cloudy, with a low around 65.
Monday
Mostly sunny
High:
90°F
Monday Night
Mostly clear
Overnight low:
67°F
Tuesday
Mostly sunny
High:
88°F
Tuesday Night
Mostly clear
Overnight low:
66°F
Wednesday
Sunny
High:
89°F
Wednesday Night
Mostly clear
Overnight low:
65°F
Thursday
Sunny
High:
89°F