S
M
T
W
T
F
S
27
55°
33°
28
46°
30°
29
38°
31°
30
34°
27°
1
31°
17°
2
34°
13°
3
35°
21°
4
41°
29°
5
43°
33°
6
44°
27°
7
41°
27°
8
40°
26°
9
41°
23°
10
41°
25°
11
40°
27°
12
39°
27°
13
36°
25°
14
35°
18°
15
31°
25°
16
29°
17°
17
28°
10°
18
27°
10°
19
24°
7°
20
23°
6°
21
22°
6°
22
23°
5°
23
22°
4°
24
22°
14°
25
29°
14°
26
29°
15°
27
27°
13°
28
25°
9°
29
23°
8°
30
22°
4°
31
24°
3°
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 22° to 44°, with overnight lows between 3° and 33°. The average high for October is 31° with an average low of 16°. 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.
