S
M
T
W
T
F
S
27
68°
47°
28
70°
46°
29
70°
48°
30
71°
49°
1
71°
45°
2
70°
40°
3
66°
46°
4
66°
38°
5
65°
40°
6
55°
35°
7
56°
36°
8
56°
42°
9
61°
41°
10
62°
38°
11
57°
34°
12
56°
31°
13
53°
36°
14
57°
35°
15
56°
40°
16
61°
42°
17
62°
40°
18
60°
39°
19
58°
37°
20
51°
39°
21
50°
36°
22
49°
31°
23
51°
38°
24
55°
38°
25
55°
37°
26
50°
38°
27
53°
37°
28
52°
30°
29
50°
26°
30
45°
25°
31
41°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Cavan Monaghan
Cavan Monaghan's October 2026 forecast shows daily high temperatures ranging from 41° to 71°, with overnight lows between 25° and 49°. The average high for October is 58° with an average low of 38°. 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 Cavan Monaghan. See also: November | December | January.