World Resorts USA San Francisco Weather

San Francisco 7 Days Forecast

15.01
thu
Day
48°F
SW 8 mph
Precip.
0%
Night
55°F
SW 6 mph
Precip.
0%
16.01
fri
Day
57°F
SW 7 mph
Precip.
0%
Night
55°F
SW 6 mph
Precip.
0%
17.01
sat
Day
55°F
SW 7 mph
Precip.
0%
Night
55°F
SW 6 mph
Precip.
0%
18.01
sun
Day
57°F
SW 6 mph
Precip.
0%
Night
55°F
S 4 mph
Precip.
0%
19.01
mon
Day
57°F
SW 6 mph
Precip.
0%
Night
55°F
SW 6 mph
Precip.
0%
20.01
tue
Day
57°F
SW 6 mph
Precip.
0%
Night
55°F
N 1 mph
Precip.
0%
21.01
wed
Day
57°F
NE 2 mph
Precip.
0%
Night
54°F
E 4 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 54.2°F. The highest and lowest sea temperatures during the month were 55.4°F and 53.1°F.

Air temperature in San Francisco, °F

Precipitation total in San Francisco, in.

* Charts above show average data for the last 3 years.

Best time for vacation in San Francisco

Sunniest months:
October 18 days
June 18 days
May 17 days
Warmest months:
August 65.5 °F
September 65.0 °F
October 64.2 °F
Warmest sea temp:
September 62.0 °F
August 61.7 °F
October 60.7 °F
Coldest months:
December 54.3 °F
January 54.6 °F
February 55.5 °F
Rainiest months:
March 4 days
December 4 days
January 4 days
Windiest months:
May 9.9 mph
June 9.7 mph
April 9.4 mph

San Francisco on a weather map

San Francisco
+45°F
SW 8 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+72°F
+72°F
+48°F
+61°F
+73°F
+73°F
+66°F
+36°F
+52°F
+45°F
+61°F
+61°F
+52°F
+19°F
24 Hours Forecast
San Francisco
Local time: 09:35
January 15, thursday
1200
48°F
SW
8 mph
1500
57°F
SW
7 mph
1800
59°F
SW
6 mph
2100
57°F
SW
6 mph
January 16, friday
0000
55°F
SW
6 mph
0300
54°F
SW
6 mph
0600
52°F
SW
7 mph
0900
52°F
SW
7 mph
Units of measurement: °C / °F