Tuesday
Sunny
High:
102°F
Sunny, with a high near 102. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Tuesday Night
Mostly clear
Overnight low:
73°F
Mostly clear, with a low around 73.
Wednesday
Sunny
High:
102°F
Sunny, with a high near 102.
Wednesday Night
Mostly clear
Overnight low:
73°F
Mostly clear, with a low around 73.
Thursday
Sunny
High:
104°F
Thursday Night
Partly cloudy
Overnight low:
74°F
Friday
Mostly sunny
High:
105°F
Friday Night
Mostly clear
Overnight low:
74°F
Saturday
Sunny
High:
104°F