Sunday
Sunny
High:
87°F
Sunny, with a high near 87. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Fontana, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
59°F
Mostly clear, with a low around 59. Southwest wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 20 mph.
Monday
Sunny
High:
82°F
Sunny, with a high near 82.
Monday Night
Clouds increasing
Overnight low:
54°F
Increasing clouds, with a low around 54.
Tuesday
Mostly sunny
High:
73°F
Tuesday Night
Patchy fog
Overnight low:
51°F
Wednesday
Patchy fog
High:
70°F
Wednesday Night
Patchy fog
Overnight low:
51°F
Thursday
Patchy fog
High:
67°F
Thursday Night
Chance of showers and thunderstorms
Overnight low:
52°F
Friday
Chance of showers and thunderstorms
High:
66°F