ClimaGo › San Francisco › Weather in August
United States
August maintains comfortable 70 degree temperatures and sunny conditions perfect for exploring Alcatraz Island and cycling around the Bay, though afternoon fog sometimes rolls in unexpectedly.
Avg High
20°C
Avg Low
14°C
Daily Rain
0mm
Rainfall
None
✅ August is one of the best months to visit San Francisco!
San Francisco's iconic Golden Gate Bridge, Victorian houses and innovative tech scene captivate cosmopolitan travelers.