Saturday
Partly sunny
High:
84°F
Partly sunny, with a high near 84. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Fontana, CA Weather - Extended Forecast
Saturday Night
Patchy fog
Overnight low:
57°F
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 57. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Patchy fog
High:
82°F
Patchy fog before 11am. Otherwise, sunny, with a high near 82.
Sunday Night
Clear
Overnight low:
57°F
Clear, with a low around 57.
Monday
Sunny
High:
84°F
Monday Night
Mostly clear
Overnight low:
58°F
Tuesday
Sunny
High:
84°F
Tuesday Night
Clear
Overnight low:
59°F
Wednesday
Sunny
High:
85°F
Wednesday Night
Clear
Overnight low:
59°F
Thursday
Sunny
High:
86°F