The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Francisco, SON
Content continues below
Content continues below
Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
18°
7
8°
8
12°
9
10°
10
11°
11
14°
12
15°
13
16°
14
18°
15
19°
16
16°
17
13°
18
15°
19
16°
20
16°
21
22
23
24
25
26
27
28
29
30
31
Forecast
Tuesday, January 6, 2026
Day
18°
Feels 18
Wind
11 km/h S
Gust
16 km/h
Humidity
30%
P.O.P
20%
Night
6°
Feels 6
Wind
6 km/h SW
Gust
9 km/h
Humidity
71%
P.O.P
30%
Historical Averages
Jan 6
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
17°
Feels 17
Low
2°
Feels -1
Average Precipitation
2 Days
Rain amount
7.2mm
Snow amount
0cm