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Half Moon Bay, CA

7-Day Forecast
Updated 9/21/2026, 7:49 PM PDT
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Mon • Sep 21
Fog • Wind WSW 9 mph • Rain – 5% Chance
Low 56° High 62°
Tue • Sep 22
Fog • Wind WSW 7 mph • Rain – 4% Chance
Low 56° High 63°
Wed • Sep 23
Fog • Wind W 8 mph • Rain – 0% Chance
Low 53° High 79°
Thu • Sep 24
Overcast • Wind W 11 mph • Rain – 0% Chance
Low 55° High 72°
Fri • Sep 25
Overcast • Wind W 10 mph • Rain – 1% Chance
Low 57° High 70°
Sat • Sep 26
Overcast • Wind W 10 mph • Rain – 0% Chance
Low 54° High 67°
Sun • Sep 27
Partly cloudy • Wind WNW 13 mph • Rain – 1% Chance
Low 55° High 69°
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Sources: Open-Meteo