Saturday
Mostly sunny
High:
73°F
Mostly sunny, with a high near 73. Light southwest wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Fontana, CA Weather - Extended Forecast
Saturday Night
Chance of rain
Overnight low:
52°F
A chance of rain after 11pm. Mostly cloudy, with a low around 52. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Chance of rain
High:
66°F
A slight chance of rain before 11am. Mostly sunny, with a high near 66. Chance of precipitation is 20%.
Sunday Night
Mostly clear
Overnight low:
48°F
Mostly clear, with a low around 48.
Monday
Sunny
High:
75°F
Monday Night
Mostly clear
Overnight low:
52°F
Tuesday
Sunny
High:
77°F
Tuesday Night
Mostly clear
Overnight low:
53°F
Wednesday
Sunny
High:
77°F
Wednesday Night
Mostly clear
Overnight low:
53°F
Thursday
Mostly sunny
High:
76°F