Friday
Mostly sunny
High:
102°F
Mostly sunny, with a high near 102. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Friday Night
Mostly clear
Overnight low:
73°F
Mostly clear, with a low around 73.
Saturday
Sunny
High:
100°F
Sunny, with a high near 100.
Saturday Night
Clear
Overnight low:
70°F
Clear, with a low around 70.
Sunday
Sunny
High:
94°F
Sunday Night
Mostly clear
Overnight low:
66°F
Monday
Sunny
High:
90°F
Monday Night
Mostly clear
Overnight low:
64°F
Tuesday
Chance of showers and thunderstorms
High:
88°F