Sunday
Sunny
High:
98°F
Sunny, with a high near 98. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
70°F
Mostly clear, with a low around 70. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Monday
Sunny
High:
95°F
Sunny, with a high near 95.
Monday Night
Partly cloudy
Overnight low:
68°F
Partly cloudy, with a low around 68.
Tuesday
Partly sunny
High:
92°F
Tuesday Night
Partly cloudy
Overnight low:
66°F
Wednesday
Mostly sunny
High:
91°F
Wednesday Night
Mostly clear
Overnight low:
65°F
Thursday
Sunny
High:
88°F
Thursday Night
Mostly clear
Overnight low:
64°F
Friday
Sunny
High:
88°F