Wednesday
Sunny
High:
98°F
Sunny, with a high near 98. 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
Wednesday Night
Clear
Overnight low:
70°F
Clear, with a low around 70. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Sunny
High:
100°F
Sunny, with a high near 100.
Thursday Night
Clear
Overnight low:
71°F
Clear, with a low around 71.
Friday
Sunny
High:
101°F
Friday Night
Mostly clear
Overnight low:
70°F
Saturday
Sunny
High:
101°F
Saturday Night
Mostly clear
Overnight low:
70°F
Sunday
Sunny
High:
102°F
Sunday Night
Clear
Overnight low:
70°F
Monday
Sunny
High:
98°F