Thursday
Sunny
High:
99°F
Sunny, with a high near 99. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
68°F
Mostly clear, with a low around 68. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny
High:
92°F
Mostly sunny, with a high near 92.
Friday Night
Mostly clear
Overnight low:
65°F
Mostly clear, with a low around 65.
Saturday
Sunny
High:
90°F
Saturday Night
Mostly clear
Overnight low:
65°F
Sunday
Mostly sunny
High:
91°F
Sunday Night
Mostly clear
Overnight low:
65°F
Monday
Sunny
High:
91°F
Monday Night
Mostly clear
Overnight low:
66°F
Tuesday
Mostly sunny
High:
93°F