S
M
T
W
T
F
S
26
49°
30°
27
51°
31°
28
52°
33°
29
60°
29°
30
66°
28°
1
71°
30°
2
N/A
3
73°
47°
4
61°
40°
5
62°
38°
6
67°
49°
7
67°
49°
8
71°
52°
9
67°
48°
10
70°
45°
11
74°
50°
12
74°
49°
13
72°
48°
14
72°
49°
15
71°
50°
16
62°
42°
17
65°
46°
18
58°
41°
19
57°
39°
20
58°
38°
21
62°
40°
22
69°
48°
23
69°
48°
24
68°
46°
25
70°
49°
26
69°
49°
27
60°
48°
28
61°
43°
29
62°
42°
30
70°
47°
31
71°
50°
1
73°
51°
2
72°
52°
3
73°
52°
4
73°
51°
5
72°
51°
6
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Bigfork
Bigfork's May 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 38° and 52°. The average high for May is 68° with an average low of 47°. 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.
