S
M
T
W
T
F
S
25
Hist. Avg.
57°
39°
26
Hist. Avg.
58°
40°
27
Hist. Avg.
58°
40°
28
Hist. Avg.
59°
40°
29
Hist. Avg.
59°
41°
30
Hist. Avg.
60°
41°
1
Hist. Avg.
60°
41°
2
Hist. Avg.
60°
42°
3
Hist. Avg.
61°
42°
4
Hist. Avg.
61°
42°
5
Hist. Avg.
62°
43°
6
Hist. Avg.
62°
43°
7
Hist. Avg.
62°
43°
8
Hist. Avg.
63°
44°
9
Hist. Avg.
63°
44°
10
Hist. Avg.
64°
44°
11
Hist. Avg.
64°
45°
12
Hist. Avg.
64°
45°
13
Hist. Avg.
64°
45°
14
Hist. Avg.
65°
46°
15
Hist. Avg.
65°
46°
16
Hist. Avg.
66°
46°
17
Hist. Avg.
66°
46°
18
Hist. Avg.
66°
47°
19
Hist. Avg.
66°
47°
20
Hist. Avg.
67°
47°
21
Hist. Avg.
67°
47°
22
Hist. Avg.
67°
48°
23
Hist. Avg.
68°
48°
24
Hist. Avg.
68°
48°
25
Hist. Avg.
68°
49°
26
Hist. Avg.
68°
49°
27
Hist. Avg.
69°
49°
28
Hist. Avg.
69°
50°
29
Hist. Avg.
69°
50°
30
Hist. Avg.
70°
50°
31
Hist. Avg.
70°
50°
1
Hist. Avg.
70°
51°
2
Hist. Avg.
70°
51°
3
Hist. Avg.
71°
51°
4
Hist. Avg.
71°
52°
5
Hist. Avg.
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Lewiston
Lewiston's May 2027 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Lewiston. See also: June | July | August.
