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San Mateo, CA
7-Day Forecast
Updated 9/25/2026, 8:06 PM PDT
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Fri • Sep 25
Fog
• Wind WNW 15 mph
• Rain – 1% Chance
Low
57°
High
76°
Sat • Sep 26
Overcast
• Wind WSW 9 mph
• Rain – 1% Chance
Low
51°
High
73°
Sun • Sep 27
Overcast
• Wind W 13 mph
• Rain – 5% Chance
Low
52°
High
68°
Mon • Sep 28
Overcast
• Wind WSW 11 mph
• Rain – 0% Chance
Low
57°
High
78°
Tue • Sep 29
Clear
• Wind WSW 7 mph
• Rain – 0% Chance
Low
59°
High
84°
Wed • Sep 30
Clear
• Wind WSW 8 mph
• Rain – 0% Chance
Low
61°
High
85°
Thu • Oct 1
Overcast
• Wind SW 8 mph
• Rain – 1% Chance
Low
58°
High
76°
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