S
M
T
W
T
F
S
27
47°
31°
28
43°
30°
29
43°
29°
30
44°
27°
1
44°
26°
2
43°
31°
3
46°
33°
4
46°
31°
5
47°
28°
6
46°
27°
7
42°
26°
8
38°
27°
9
36°
26°
10
36°
25°
11
35°
16°
12
37°
14°
13
33°
15°
14
29°
23°
15
31°
25°
16
35°
21°
17
36°
21°
18
33°
19°
19
33°
9°
20
32°
10°
21
24°
6°
22
29°
6°
23
28°
5°
24
23°
4°
25
22°
4°
26
19°
6°
27
20°
3°
28
19°
3°
29
22°
1°
30
20°
-1°
31
18°
0°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Summit
Summit's October 2026 forecast shows daily high temperatures ranging from 18° to 47°, with overnight lows between -1° and 33°. The average high for October is 34° 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 October weather will actually feel in Summit. See also: November | December | January.
