S
M
T
W
T
F
S
27
36°
17°
28
37°
16°
29
29°
13°
30
31°
10°
31
30°
12°
1
23°
14°
2
28°
19°
3
29°
17°
4
35°
26°
5
40°
27°
6
Hist. Avg.
34°
20°
7
Hist. Avg.
34°
20°
8
Hist. Avg.
34°
19°
9
Hist. Avg.
34°
19°
10
Hist. Avg.
34°
19°
11
Hist. Avg.
34°
19°
12
Hist. Avg.
33°
19°
13
Hist. Avg.
33°
19°
14
Hist. Avg.
33°
18°
15
Hist. Avg.
33°
18°
16
Hist. Avg.
33°
18°
17
Hist. Avg.
33°
18°
18
Hist. Avg.
33°
18°
19
Hist. Avg.
33°
18°
20
Hist. Avg.
33°
18°
21
Hist. Avg.
33°
18°
22
Hist. Avg.
33°
18°
23
Hist. Avg.
33°
18°
24
Hist. Avg.
33°
18°
25
Hist. Avg.
33°
18°
26
Hist. Avg.
33°
18°
27
Hist. Avg.
34°
18°
28
Hist. Avg.
34°
18°
29
Hist. Avg.
34°
18°
30
Hist. Avg.
34°
18°
31
Hist. Avg.
34°
18°
1
Hist. Avg.
34°
18°
2
Hist. Avg.
34°
18°
3
Hist. Avg.
34°
18°
4
Hist. Avg.
35°
18°
5
Hist. Avg.
35°
18°
6
Hist. Avg.
35°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Ottawa
Ottawa's January 2027 forecast shows daily high temperatures ranging from 23° to 40°, with overnight lows between 10° and 27°. The average high for January is 32° with an average low of 17°. 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 Ottawa. See also: February | March | April.
