Measurements:
°C
°F
CURRENT WEATHER
16:05
San Francisco
68°F
E 9 mph
Feels like: 68°F
Precip: 6%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

10.05
mon
DAY
70°F
E 5 mph
precip
4%
NIGHT
64°F
NE 6 mph
precip
9%
10.06
tue
DAY
72°F
E 4 mph
precip
4%
NIGHT
66°F
NE 6 mph
precip
7%
10.07
wed
DAY
70°F
E 6 mph
precip
5%
NIGHT
64°F
NE 6 mph
precip
9%
10.08
thu
DAY
68°F
E 6 mph
precip
4%
NIGHT
64°F
E 7 mph
precip
9%
10.09
fri
DAY
70°F
NE 6 mph
precip
4%
NIGHT
64°F
NE 9 mph
precip
10%
10.10
sat
DAY
66°F
NE 12 mph
precip
13%
NIGHT
58°F
E 15 mph
precip
9%
10.11
sun
DAY
60°F
SE 21 mph
precip
3%
NIGHT
58°F
SE 1 mph
precip
6%

San Francisco Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for San Francisco was 17.7°F. The maximum and minimum values were 16.9°F and 18.5°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 65.7 °F
Warmest sea temperature:
September 63.6 °F
August 63.2 °F
October 61.8 °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
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