Sunday
Mostly sunny
High:
92°F
Mostly sunny, with a high near 92. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Sunday Night
Partly cloudy
Overnight low:
66°F
Partly cloudy, with a low around 66. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny
High:
92°F
Mostly sunny, with a high near 92.
Monday Night
Mostly clear
Overnight low:
66°F
Mostly clear, with a low around 66.
Tuesday
Sunny
High:
93°F
Tuesday Night
Mostly clear
Overnight low:
67°F
Wednesday
Sunny
High:
97°F
Wednesday Night
Mostly clear
Overnight low:
69°F
Thursday
Sunny
High:
98°F
Thursday Night
Mostly clear
Overnight low:
69°F
Friday
Sunny
High:
96°F