Saturday
Mostly sunny
High:
70°F
Mostly sunny, with a high near 70. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Fontana, CA Weather - Extended Forecast
Saturday Night
Chance of showers
Overnight low:
53°F
A chance of showers after 11pm. Increasing clouds, with a low around 53. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers
High:
63°F
Showers. High near 63. Chance of precipitation is 90%.
Sunday Night
Chance of showers
Overnight low:
48°F
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Monday
Chance of showers
High:
64°F
Monday Night
Chance of showers and thunderstorms
Overnight low:
48°F
Tuesday
Sunny
High:
72°F
Tuesday Night
Mostly clear
Overnight low:
50°F
Wednesday
Sunny
High:
77°F
Wednesday Night
Partly cloudy
Overnight low:
53°F
Thursday
Partly sunny
High:
76°F