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Union City, CA
7-Day Forecast
Updated 11/13/2026, 4:17 PM PST
Weather Partner
Fri • Nov 13
Rain
• Wind SSE 15 mph
• Rain – 100% Chance
Low
53°
High
64°
Sat • Nov 14
Light rain
• Wind ESE 6 mph
• Rain – 18% Chance
Low
53°
High
62°
Sun • Nov 15
Light rain
• Wind SSE 9 mph
• Rain – 96% Chance
Low
53°
High
67°
Mon • Nov 16
Light drizzle
• Wind WNW 9 mph
• Rain – 70% Chance
Low
53°
High
61°
Tue • Nov 17
Overcast
• Wind WNW 6 mph
• Rain – 35% Chance
Low
50°
High
61°
Wed • Nov 18
Rain showers
• Wind SSE 17 mph
• Rain – 82% Chance
Low
51°
High
59°
Thu • Nov 19
Rain showers
• Wind SW 18 mph
• Rain – 49% Chance
Low
52°
High
61°
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