S
M
T
W
T
F
S
26
48°
28°
27
51°
24°
28
57°
25°
29
60°
35°
30
65°
30°
1
71°
30°
2
74°
38°
3
74°
37°
4
73°
36°
5
69°
36°
6
75°
35°
7
68°
38°
8
65°
31°
9
71°
31°
10
79°
35°
11
71°
33°
12
85°
36°
13
73°
41°
14
61°
38°
15
59°
33°
16
46°
33°
17
49°
31°
18
54°
31°
19
62°
36°
20
65°
38°
21
69°
41°
22
73°
42°
23
76°
46°
24
75°
40°
25
62°
34°
26
63°
33°
27
72°
36°
28
65°
36°
29
64°
33°
30
66°
37°
31
72°
40°
1
67°
38°
2
71°
44°
3
72°
45°
4
72°
45°
5
71°
44°
6
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Imnaha
Imnaha's May 2026 forecast shows daily high temperatures ranging from 62° to 76°, with overnight lows between 33° and 46°. The average high for May is 69° with an average low of 40°. 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 Imnaha. See also: June | July | August.