S
M
T
W
T
F
S
27
69°
51°
28
62°
46°
29
65°
49°
30
68°
42°
1
61°
49°
2
67°
51°
3
68°
42°
4
69°
38°
5
67°
39°
6
57°
47°
7
57°
47°
8
61°
48°
9
63°
48°
10
59°
41°
11
63°
39°
12
56°
37°
13
53°
39°
14
51°
38°
15
52°
40°
16
53°
38°
17
53°
36°
18
52°
40°
19
55°
40°
20
60°
44°
21
60°
45°
22
58°
46°
23
59°
45°
24
61°
39°
25
61°
38°
26
54°
34°
27
51°
36°
28
52°
32°
29
Hist. Avg.
52°
37°
30
Hist. Avg.
52°
37°
31
Hist. Avg.
51°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Lewiston
Lewiston's October 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 32° and 51°. The average high for October is 59° with an average low of 42°. 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 Lewiston. See also: November | December | January.
