← View Live Rancho Cucamonga Conditions
Rancho Cucamonga, CA
7-Day Forecast
Updated 10/3/2026, 3:39 PM PDT
Weather Partner
Sat • Oct 3
Mostly clear
• Wind SE 11 mph
• Rain – 0% Chance
Low
74°
High
102°
Sun • Oct 4
Clear
• Wind E 11 mph
• Rain – 2% Chance
Low
74°
High
102°
Mon • Oct 5
Clear
• Wind SW 12 mph
• Rain – 1% Chance
Low
74°
High
100°
Tue • Oct 6
Clear
• Wind WSW 13 mph
• Rain – 0% Chance
Low
82°
High
99°
Wed • Oct 7
Clear
• Wind WSW 14 mph
• Rain – 0% Chance
Low
83°
High
98°
Thu • Oct 8
Clear
• Wind WSW 14 mph
• Rain – 0% Chance
Low
82°
High
97°
Fri • Oct 9
Overcast
• Wind WSW 12 mph
• Rain – 1% Chance
Low
80°
High
95°
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