S
M
T
W
T
F
S
27
67°
39°
28
64°
43°
29
68°
44°
30
67°
41°
1
65°
42°
2
70°
48°
3
70°
39°
4
64°
43°
5
62°
37°
6
59°
43°
7
59°
42°
8
60°
43°
9
58°
38°
10
59°
38°
11
61°
40°
12
61°
38°
13
63°
42°
14
56°
37°
15
56°
42°
16
55°
41°
17
56°
44°
18
55°
43°
19
56°
40°
20
57°
41°
21
62°
36°
22
54°
35°
23
52°
34°
24
52°
33°
25
Hist. Avg.
56°
45°
26
Hist. Avg.
55°
45°
27
Hist. Avg.
55°
45°
28
Hist. Avg.
55°
44°
29
Hist. Avg.
54°
44°
30
Hist. Avg.
54°
44°
31
Hist. Avg.
54°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Rainier
Rainier's October 2026 forecast shows daily high temperatures ranging from 52° to 70°, with overnight lows between 33° and 48°. The average high for October is 60° with an average low of 40°. 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 Rainier. See also: November | December | January.
