Saturday
Patchy fog
High:
79°F
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 79. South wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Fontana, CA Weather - Extended Forecast
Saturday Night
Clouds increasing
Overnight low:
56°F
Increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Patchy fog
High:
82°F
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 82.
Sunday Night
Clouds increasing
Overnight low:
57°F
Increasing clouds, with a low around 57.
Monday
Becoming sunny
High:
84°F
Monday Night
Clouds increasing
Overnight low:
56°F
Tuesday
Becoming sunny
High:
83°F
Tuesday Night
Mostly clear
Overnight low:
57°F
Wednesday
Sunny
High:
87°F
Wednesday Night
Mostly clear
Overnight low:
61°F
Thursday
Sunny
High:
91°F