Measurements:
°C
°F
San Francisco
62°F
E 12 mph
Feels like: 62°F
Precip: 7%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

10.26
mon
DAY
62°F
E 11 mph
precip
6%
NIGHT
58°F
SE 17 mph
precip
6%
10.27
tue
DAY
58°F
SE 6 mph
precip
17%
NIGHT
58°F
S 4 mph
precip
7%
10.28
wed
DAY
60°F
S 6 mph
precip
4%
NIGHT
60°F
NW 1 mph
precip
13%
10.29
thu
DAY
62°F
SW 2 mph
precip
13%
NIGHT
60°F
E 7 mph
precip
17%
10.30
fri
DAY
58°F
E 8 mph
precip
3%
NIGHT
56°F
SE 11 mph
precip
15%
10.31
sat
DAY
60°F
E 11 mph
precip
8%
NIGHT
54°F
S 5 mph
precip
6%
11.01
sun
DAY
60°F
NE 7 mph
precip
2%
NIGHT
56°F
SW 3 mph
precip
5%

San Francisco Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for San Francisco was 17.3°F. The maximum and minimum values were 16.5°F and 18.6°F respectively.

San Francisco on the Weather Map

Best Time to Visit San Francisco
The most sunny months:
June 18 days
October 18 days
April 17 days
The most warm months:
August 67.4 °F
September 66.8 °F
October 65.8 °F
Warmest sea temperature:
September 63.6 °F
August 63.2 °F
October 62.0 °F
The most cold months:
December 54.8 °F
January 55.3 °F
February 56.3 °F
The most rainy months:
March 4 days
December 4 days
January 4 days
The most windy months:
May 9 mph
June 9 mph
April 9 mph