Sunday
Sunny
High:
78°F
Sunny, with a high near 78. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
54°F
Mostly clear, with a low around 54. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 20 mph.
Monday
Sunny
High:
78°F
Sunny, with a high near 78.
Monday Night
Mostly clear
Overnight low:
53°F
Mostly clear, with a low around 53.
Tuesday
Sunny
High:
76°F
Tuesday Night
Mostly clear
Overnight low:
52°F
Wednesday
Mostly sunny
High:
72°F
Wednesday Night
Partly cloudy
Overnight low:
50°F
Thursday
Patchy fog
High:
70°F
Thursday Night
Partly cloudy
Overnight low:
50°F
Friday
Patchy fog
High:
69°F