S
M
T
W
T
F
S
26
56°
36°
27
43°
37°
28
49°
32°
29
41°
28°
30
44°
26°
1
54°
20°
2
64°
22°
3
66°
45°
4
49°
25°
5
40°
24°
6
41°
28°
7
45°
29°
8
55°
31°
9
58°
34°
10
61°
35°
11
63°
37°
12
67°
44°
13
64°
42°
14
64°
39°
15
61°
41°
16
63°
40°
17
58°
41°
18
66°
46°
19
61°
46°
20
62°
41°
21
58°
37°
22
59°
38°
23
61°
39°
24
59°
38°
25
60°
40°
26
60°
41°
27
61°
40°
28
61°
40°
29
64°
48°
30
62°
46°
31
66°
51°
1
72°
52°
2
73°
53°
3
74°
53°
4
74°
54°
5
75°
54°
6
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bigfork
Bigfork's May 2026 forecast shows daily high temperatures ranging from 40° to 75°, with overnight lows between 24° and 54°. The average high for May is 62° 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 May weather will actually feel in Bigfork. See also: June | July | August.
