Saturday
Sunny
High:
100°F
Sunny, with a high near 100. 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
Saturday Night
Mostly clear
Overnight low:
72°F
Mostly clear, with a low around 72. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny
High:
99°F
Sunny, with a high near 99.
Sunday Night
Mostly clear
Overnight low:
70°F
Mostly clear, with a low around 70.
Monday
Mostly sunny
High:
98°F
Monday Night
Mostly clear
Overnight low:
68°F
Tuesday
Sunny
High:
98°F
Tuesday Night
Mostly clear
Overnight low:
68°F
Wednesday
Sunny
High:
99°F
Wednesday Night
Mostly clear
Overnight low:
68°F
Thursday
Sunny
High:
100°F