Monday
Partly sunny
High:
93°F
Partly sunny, with a high near 93. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Monday Night
Partly cloudy
Overnight low:
67°F
Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny
High:
97°F
Sunny, with a high near 97.
Tuesday Night
Mostly clear
Overnight low:
70°F
Mostly clear, with a low around 70.
Wednesday
Sunny
High:
101°F
Wednesday Night
Mostly clear
Overnight low:
71°F
Thursday
Sunny
High:
98°F
Thursday Night
Mostly clear
Overnight low:
68°F
Friday
Mostly sunny
High:
92°F
Friday Night
Chance of showers and thunderstorms
Overnight low:
67°F
Saturday
Mostly sunny
High:
91°F