S
M
T
W
T
F
S
27
83°
59°
28
80°
58°
29
85°
54°
30
83°
56°
1
78°
57°
2
81°
56°
3
76°
57°
4
79°
56°
5
76°
56°
6
75°
55°
7
81°
55°
8
82°
54°
9
82°
52°
10
80°
51°
11
79°
53°
12
79°
45°
13
74°
45°
14
71°
46°
15
73°
49°
16
76°
52°
17
76°
51°
18
73°
52°
19
74°
50°
20
79°
46°
21
72°
45°
22
71°
44°
23
72°
45°
24
75°
48°
25
Hist. Avg.
74°
48°
26
Hist. Avg.
73°
48°
27
Hist. Avg.
73°
48°
28
Hist. Avg.
72°
47°
29
Hist. Avg.
72°
47°
30
Hist. Avg.
72°
46°
31
Hist. Avg.
71°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Irmo
Irmo's October 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 44° and 59°. The average high for October is 77° with an average low of 52°. 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 Irmo. See also: November | December | January.
