Rancho Cucamonga 7 Day Weather Forecast

Today

Partly sunny

Partly sunny

High:
68°F
(20°C)
Overnight low:
54°F
(12°C)

Saturday

High:
67°F
(19°C)
Overnight low:
54°F
(12°C)

Sunday

Cloudy periods

Cloudy periods

High:
76°F
(24°C)
Overnight low:
57°F
(14°C)

Memorial Day

High:
84°F
(29°C)
Overnight low:
60°F
(16°C)

Tuesday

High:
84°F
(29°C)
Overnight low:
59°F
(15°C)

Wednesday

High:
75°F
(24°C)
Overnight low:
56°F
(13°C)

Thursday

High:
74°F
(23°C)