S
M
T
W
T
F
S
27
60°
52°
28
70°
52°
29
67°
50°
30
61°
48°
1
62°
50°
2
63°
50°
3
67°
51°
4
67°
51°
5
66°
50°
6
59°
50°
7
60°
51°
8
66°
49°
9
66°
48°
10
59°
45°
11
58°
43°
12
56°
47°
13
62°
48°
14
64°
48°
15
63°
47°
16
60°
47°
17
63°
41°
18
52°
37°
19
51°
41°
20
56°
47°
21
59°
47°
22
61°
45°
23
52°
45°
24
55°
44°
25
52°
45°
26
61°
38°
27
60°
33°
28
49°
33°
29
48°
35°
30
53°
42°
31
57°
41°
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 48° to 70°, with overnight lows between 33° and 52°. The average high for October is 60° with an average low of 45°. 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.
