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Ontario, CA
7-Day Forecast
Updated 9/26/2026, 10:08 PM PDT
Weather Partner
Sat • Sep 26
Overcast
• Wind W 11 mph
• Rain – 0% Chance
Low
64°
High
97°
Sun • Sep 27
Overcast
• Wind W 8 mph
• Rain – 4% Chance
Low
67°
High
88°
Mon • Sep 28
Clear
• Wind WSW 12 mph
• Rain – 1% Chance
Low
60°
High
84°
Tue • Sep 29
Clear
• Wind WSW 12 mph
• Rain – 1% Chance
Low
69°
High
89°
Wed • Sep 30
Clear
• Wind WSW 12 mph
• Rain – 0% Chance
Low
72°
High
87°
Thu • Oct 1
Clear
• Wind WSW 11 mph
• Rain – 0% Chance
Low
72°
High
92°
Fri • Oct 2
Clear
• Wind WSW 10 mph
• Rain – 0% Chance
Low
75°
High
94°
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