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South San Francisco, CA

7-Day Forecast
Updated 10/2/2026, 12:04 PM PDT
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Fri • Oct 2
Fog • Wind NW 14 mph • Rain – 1% Chance
Low 53° High 79°
Sat • Oct 3
Overcast • Wind NW 12 mph • Rain – 0% Chance
Low 57° High 91°
Sun • Oct 4
Overcast • Wind WNW 7 mph • Rain – 0% Chance
Low 65° High 86°
Mon • Oct 5
Clear • Wind W 7 mph • Rain – 1% Chance
Low 67° High 83°
Tue • Oct 6
Clear • Wind W 7 mph • Rain – 0% Chance
Low 67° High 84°
Wed • Oct 7
Clear • Wind WNW 7 mph • Rain – 0% Chance
Low 67° High 84°
Thu • Oct 8
Overcast • Wind WSW 8 mph • Rain – 1% Chance
Low 67° High 85°
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Sources: Open-Meteo