S
M
T
W
T
F
S
27
71°
40°
28
68°
40°
29
66°
38°
30
66°
42°
1
68°
45°
2
72°
46°
3
73°
44°
4
78°
49°
5
76°
51°
6
79°
54°
7
78°
41°
8
70°
40°
9
70°
43°
10
73°
47°
11
74°
46°
12
74°
48°
13
76°
47°
14
75°
38°
15
63°
40°
16
60°
38°
17
58°
44°
18
60°
43°
19
59°
36°
20
57°
37°
21
58°
33°
22
55°
35°
23
55°
36°
24
56°
35°
25
55°
35°
26
55°
36°
27
56°
37°
28
58°
37°
29
59°
36°
30
53°
33°
31
52°
38°
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 52° to 79°, with overnight lows between 33° and 54°. The average high for October is 65° with an average low of 41°. 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.
