Sunday
Sunny
High:
90°F
Sunny, with a high near 90.
Rancho Cucamonga, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
60°F
Mostly clear, with a low around 60.
Monday
Partly sunny
High:
83°F
Partly sunny, with a high near 83.
Monday Night
Mostly cloudy
Overnight low:
58°F
Mostly cloudy, with a low around 58.
Tuesday
Chance of showers and thunderstorms
High:
74°F
Tuesday Night
Chance of showers
Overnight low:
55°F
Wednesday
Chance of showers and thunderstorms
High:
71°F
Wednesday Night
Mostly cloudy
Overnight low:
53°F
Thursday
Partly sunny
High:
73°F