S
M
T
W
T
F
S
27
73°
52°
28
75°
52°
29
77°
48°
30
77°
53°
1
85°
62°
2
74°
50°
3
67°
46°
4
72°
44°
5
66°
43°
6
67°
38°
7
77°
39°
8
71°
48°
9
78°
42°
10
65°
51°
11
62°
54°
12
76°
57°
13
86°
62°
14
81°
57°
15
68°
55°
16
71°
48°
17
55°
37°
18
62°
31°
19
69°
35°
20
71°
39°
21
71°
38°
22
68°
39°
23
68°
41°
24
N/A
25
68°
40°
26
70°
47°
27
67°
47°
28
72°
46°
29
73°
47°
30
71°
46°
31
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Johnstown
Johnstown's October 2026 forecast shows daily high temperatures ranging from 67° to 73°, with overnight lows between 40° and 50°. The average high for October is 70° with an average low of 46°. 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 Johnstown. See also: November | December | January.
