S
M
T
W
T
F
S
27
50°
36°
28
51°
40°
29
55°
42°
30
57°
43°
1
58°
44°
2
58°
43°
3
57°
42°
4
57°
42°
5
54°
41°
6
54°
38°
7
50°
35°
8
48°
34°
9
46°
36°
10
48°
37°
11
48°
39°
12
53°
37°
13
52°
35°
14
50°
31°
15
45°
38°
16
Hist. Avg.
46°
34°
17
Hist. Avg.
45°
33°
18
Hist. Avg.
45°
33°
19
Hist. Avg.
45°
33°
20
Hist. Avg.
44°
33°
21
Hist. Avg.
44°
32°
22
Hist. Avg.
44°
32°
23
Hist. Avg.
43°
32°
24
Hist. Avg.
43°
32°
25
Hist. Avg.
43°
31°
26
Hist. Avg.
42°
31°
27
Hist. Avg.
42°
31°
28
Hist. Avg.
42°
31°
29
Hist. Avg.
41°
30°
30
Hist. Avg.
41°
30°
31
Hist. Avg.
41°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in St. John Island
St. John Island's October 2026 forecast shows daily high temperatures ranging from 45° to 58°, with overnight lows between 31° and 44°. The average high for October is 52° with an average low of 39°. 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 St. John Island. See also: November | December | January.
