Wednesday
Mostly sunny
High:
92°F
Mostly sunny, with a high near 92. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Tomorrow’s Forecast
Wednesday Night
Chance of showers
Overnight low:
70°F
A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light south after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.