S
M
T
W
T
F
S
27
68°
51°
28
58°
53°
29
61°
53°
30
64°
44°
1
65°
41°
2
65°
50°
3
63°
35°
4
62°
33°
5
60°
42°
6
56°
40°
7
55°
34°
8
59°
42°
9
61°
38°
10
54°
31°
11
56°
51°
12
63°
47°
13
58°
46°
14
50°
35°
15
51°
36°
16
53°
41°
17
54°
38°
18
52°
39°
19
53°
37°
20
54°
38°
21
55°
30°
22
49°
40°
23
52°
35°
24
46°
33°
25
48°
41°
26
55°
41°
27
54°
35°
28
45°
34°
29
44°
33°
30
46°
39°
31
49°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Saint John
Saint John's October 2026 forecast shows daily high temperatures ranging from 44° to 63°, with overnight lows between 30° and 51°. The average high for October is 53° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Saint John. See also: November | December | January.
