S
M
T
W
T
F
S
27
73°
36°
28
74°
39°
29
74°
40°
30
65°
59°
1
65°
55°
2
62°
38°
3
62°
31°
4
64°
46°
5
58°
33°
6
66°
30°
7
71°
43°
8
62°
44°
9
65°
44°
10
74°
47°
11
73°
47°
12
81°
54°
13
69°
51°
14
58°
39°
15
53°
38°
16
52°
34°
17
54°
27°
18
63°
41°
19
66°
40°
20
66°
33°
21
67°
31°
22
67°
32°
23
62°
41°
24
62°
33°
25
71°
46°
26
55°
43°
27
55°
45°
28
70°
52°
29
65°
36°
30
57°
32°
31
57°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Roscommon
Roscommon's October 2026 forecast shows daily high temperatures ranging from 55° to 70°, with overnight lows between 32° and 52°. The average high for October is 61° with an average low of 41°. 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 Roscommon. See also: November | December | January.
