Measurements:
°C
°F
CURRENT WEATHER
07:52
San Francisco
50°F
SW 5 mph
Feels like: 48°F
Precip: 0%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

01.29
thu
DAY
60°F
SW 7 mph
precip
0%
NIGHT
56°F
SW 5 mph
precip
0%
01.30
fri
DAY
56°F
SW 7 mph
precip
0%
NIGHT
56°F
SW 6 mph
precip
0%
01.31
sat
DAY
46°F
SW 6 mph
precip
0%
NIGHT
56°F
SW 5 mph
precip
0%
02.01
sun
DAY
60°F
E 2 mph
precip
0%
NIGHT
54°F
W 2 mph
precip
0%
02.02
mon
DAY
58°F
NE 5 mph
precip
0%
NIGHT
54°F
SW 4 mph
precip
0%
02.03
tue
DAY
60°F
SW 7 mph
precip
0%
NIGHT
56°F
SW 5 mph
precip
0%
02.04
wed
DAY
60°F
SW 8 mph
precip
0%
NIGHT
56°F
SW 6 mph
precip
0%

San Francisco Sea Water Temperature in January, °F

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for San Francisco was 12.5°F. The maximum and minimum values were 11.7°F and 13.0°F respectively.

San Francisco on the Weather Map

Best Time to Visit San Francisco
The most sunny months:
October 18 days
June 18 days
May 17 days
The most warm months:
August 67.2 °F
September 66.7 °F
October 65.7 °F
Warmest sea temperature:
September 63.4 °F
August 63.0 °F
October 61.8 °F
The most cold months:
December 54.8 °F
January 55.2 °F
February 56.1 °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
more details