What is the weather like in San Francisco vs Seattle in October?

In October, San Francisco averages 21°C high / 13°C low with about 29 mm of rain; Seattle averages 16°C high / 7°C low with about 76 mm.

San Francisco vs Seattle in October

San Francisco is the better pick in October — 90 vs 72 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Seattle is cool, a little rain, clean air.

San Francisco vs Seattle — October climate, side by side

	San Francisco	Seattle
Comfort score	90/100 (S)	72/100 (B)
Feels-like high	21°C	14°C
Avg high / low	21° / 13°	16° / 7°
Rainfall	29 mm	76 mm
Rainy days	2	9
Humidity	71%	83%
Air quality (AQI)	40	36

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

San Francisco vs Seattle in October — FAQ

Is October better in San Francisco or Seattle?: San Francisco is the better pick in October — 90 vs 72 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Seattle is cool, a little rain, clean air.
What is the weather like in San Francisco vs Seattle in October?: In October, San Francisco averages 21°C high / 13°C low with about 29 mm of rain; Seattle averages 16°C high / 7°C low with about 76 mm.