Wednesday
Sunny
High:
102°F
Sunny, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Rancho Cucamonga, CA Weather - Extended Forecast
Wednesday Night
Clear
Overnight low:
70°F
Clear, with a low around 70.
Thursday
Sunny
High:
99°F
Sunny, with a high near 99.
Thursday Night
Clear
Overnight low:
71°F
Clear, with a low around 71.
Friday
Sunny
High:
97°F
Friday Night
Mostly clear
Overnight low:
69°F
Saturday
Sunny
High:
89°F
Saturday Night
Mostly clear
Overnight low:
64°F
Sunday
Mostly sunny
High:
82°F