S
M
T
W
T
F
S
27
64°
44°
28
71°
41°
29
76°
45°
30
69°
55°
1
75°
49°
2
80°
51°
3
82°
50°
4
86°
51°
5
87°
50°
6
85°
50°
7
84°
48°
8
82°
52°
9
82°
50°
10
66°
41°
11
60°
42°
12
68°
45°
13
69°
46°
14
67°
46°
15
66°
45°
16
67°
44°
17
61°
37°
18
68°
40°
19
70°
46°
20
70°
48°
21
69°
47°
22
69°
46°
23
68°
46°
24
68°
46°
25
66°
44°
26
67°
46°
27
62°
40°
28
53°
37°
29
52°
35°
30
51°
36°
31
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Lewiston
Lewiston's October 2026 forecast shows daily high temperatures ranging from 51° to 87°, with overnight lows between 34° and 52°. The average high for October is 69° with an average low of 44°. 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.
