Monday
Mostly sunny
High:
80°F
Mostly sunny, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Rancho Cucamonga, CA Weather - Extended Forecast
Monday Night
Mostly clear
Overnight low:
62°F
Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light after midnight.
Tuesday
Sunny
High:
82°F
Sunny, with a high near 82.
Tuesday Night
Clear
Overnight low:
64°F
Clear, with a low around 64.
Wednesday
Sunny
High:
91°F
Wednesday Night
Clear
Overnight low:
67°F
Thursday
Sunny
High:
93°F
Thursday Night
Mostly clear
Overnight low:
68°F
Friday
Sunny
High:
91°F
Friday Night
Mostly clear
Overnight low:
68°F
Saturday
Sunny
High:
90°F