Thursday
Patchy fog
High:
73°F
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 73. Light south wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Fontana, CA Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
54°F
Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny
High:
70°F
Mostly sunny, with a high near 70.
Friday Night
Clouds increasing
Overnight low:
53°F
Increasing clouds, with a low around 53.
Saturday
Clouds clearing
High:
69°F
Saturday Night
Clouds increasing
Overnight low:
52°F
Sunday
Clouds clearing
High:
74°F
Sunday Night
Patchy fog
Overnight low:
54°F
Memorial Day
Patchy fog
High:
79°F
Monday Night
Mostly clear
Overnight low:
56°F
Tuesday
Sunny
High:
82°F