Thursday
Sunny
High:
80°F
Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Rancho Cucamonga, CA Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
58°F
Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm.
Friday
Chance of showers and thunderstorms
High:
72°F
A slight chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 20%.
Friday Night
Chance of showers
Overnight low:
55°F
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Saturday
Chance of showers
High:
69°F
Saturday Night
Chance of showers and thunderstorms
Overnight low:
53°F
Sunday
Mostly sunny
High:
70°F
Sunday Night
Chance of showers and thunderstorms
Overnight low:
54°F
Monday
Chance of showers
High:
66°F
Monday Night
Showers likely
Overnight low:
50°F
Tuesday
Chance of showers
High:
65°F