Sunday
Sunny
High:
99°F
Sunny, with a high near 99. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Fontana, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
71°F
Mostly clear, with a low around 71. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny
High:
96°F
Mostly sunny, with a high near 96.
Monday Night
Partly cloudy
Overnight low:
68°F
Partly cloudy, with a low around 68.
Tuesday
Partly sunny
High:
93°F
Tuesday Night
Partly cloudy
Overnight low:
67°F
Wednesday
Mostly sunny
High:
92°F
Wednesday Night
Mostly clear
Overnight low:
66°F
Thursday
Sunny
High:
89°F
Thursday Night
Mostly clear
Overnight low:
64°F
Friday
Sunny
High:
89°F