Sunday
Showers
High:
63°F
Showers, with thunderstorms also possible after 11am. High near 63. Chance of precipitation is 90%.
Rancho Cucamonga, CA Weather - Extended Forecast
Sunday Night
Chance of showers
Overnight low:
48°F
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Monday
Chance of showers and thunderstorms
High:
65°F
A slight chance of showers. Mostly sunny, with a high near 65.
Monday Night
Partly cloudy
Overnight low:
49°F
Partly cloudy, with a low around 49.
Tuesday
Sunny
High:
72°F
Tuesday Night
Clear
Overnight low:
51°F
Wednesday
Sunny
High:
77°F
Wednesday Night
Partly cloudy
Overnight low:
53°F
Thursday
Mostly sunny
High:
76°F