S
M
T
W
T
F
S
27
77°
69°
28
83°
70°
29
84°
71°
30
86°
68°
31
84°
65°
1
77°
62°
2
77°
64°
3
78°
68°
4
84°
70°
5
83°
70°
6
83°
69°
7
82°
70°
8
83°
71°
9
84°
72°
10
85°
70°
11
84°
72°
12
81°
71°
13
86°
71°
14
85°
70°
15
83°
66°
16
81°
68°
17
78°
68°
18
79°
65°
19
84°
66°
20
78°
62°
21
77°
65°
22
78°
71°
23
83°
70°
24
84°
71°
25
82°
70°
26
78°
70°
27
82°
67°
28
78°
66°
29
78°
66°
30
Hist. Avg.
78°
65°
31
Hist. Avg.
78°
65°
1
Hist. Avg.
78°
65°
2
Hist. Avg.
78°
65°
3
Hist. Avg.
78°
65°
4
Hist. Avg.
78°
65°
5
Hist. Avg.
78°
65°
6
Hist. Avg.
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Sydney
Sydney's January 2027 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 62° and 72°. The average high for January is 81° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Sydney. See also: February | March | April.
