World Resorts USA San Francisco Weather

San Francisco 14 Days Forecast

18.12
thu
Day
52°F
E 1 mph
Precip.
0%
Night
55°F
NE 3 mph
Precip.
0%
19.12
fri
Day
55°F
NE 6 mph
Precip.
0%
Night
55°F
NE 4 mph
Precip.
0%
20.12
sat
Day
55°F
NE 6 mph
Precip.
0%
Night
57°F
NE 19 mph
Precip.
100%
21.12
sun
Day
57°F
NE 4 mph
Precip.
84%
Night
55°F
SE 6 mph
Precip.
83%
22.12
mon
Day
55°F
NW 4 mph
Precip.
0%
Night
54°F
NE 5 mph
Precip.
100%
23.12
tue
Day
54°F
SW 6 mph
Precip.
100%
Night
55°F
NW 17 mph
Precip.
100%
24.12
wed
Day
52°F
E 11 mph
Precip.
100%
Night
50°F
NW 5 mph
Precip.
100%
25.12
thu
Day
52°F
NW 14 mph
Precip.
100%
Night
48°F
S 4 mph
Precip.
100%
26.12
fri
Day
50°F
SW 4 mph
Precip.
100%
Night
46°F
SW 10 mph
Precip.
0%
27.12
sat
Day
48°F
NW 4 mph
Precip.
0%
Night
50°F
SE 7 mph
Precip.
24%
28.12
sun
Day
52°F
SE 3 mph
Precip.
45%
Night
52°F
NW 8 mph
Precip.
22%
29.12
mon
Day
52°F
NW 4 mph
Precip.
75%
Night
50°F
SW 6 mph
Precip.
0%
30.12
tue
Day
52°F
SW 5 mph
Precip.
0%
Night
54°F
SW 6 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 55.0°F. The highest and lowest sea temperatures during the month were 57.0°F and 53.2°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 52.7°F. The highest and lowest sea temperatures during the month were 53.4°F and 51.8°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 54.2 °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

Current weather
01:34
San Francisco
+50°F
E 4 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+30°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+50°F
Los Angeles
+52°F
Miami
+70°F
Miami Beach
+75°F
Maui
+70°F
New York
+30°F
San Diego
+52°F
San Francisco
+48°F
Sarasota
+61°F
Tampa
+59°F
Houston
+63°F
Chicago
+39°F
all places
24 Hours Forecast
San Francisco
Local time: 01:34
December 18, thursday
0300
48°F
E
4 mph
0600
50°F
E
2 mph
0900
52°F
N
2 mph
1200
52°F
E
1 mph
1500
54°F
E
3 mph
1800
54°F
E
3 mph
2100
55°F
E
4 mph
December 19, friday
0000
55°F
NE
3 mph
Units of measurement: °C / °F