S
M
T
W
T
F
S
26
44°
37°
27
45°
36°
28
46°
37°
29
46°
35°
30
47°
26°
1
43°
36°
2
46°
37°
3
43°
40°
4
47°
39°
5
43°
39°
6
45°
39°
7
45°
40°
8
49°
38°
9
47°
42°
10
48°
41°
11
46°
40°
12
47°
42°
13
49°
39°
14
51°
41°
15
54°
42°
16
53°
40°
17
47°
37°
18
48°
35°
19
47°
38°
20
47°
37°
21
48°
37°
22
49°
39°
23
49°
39°
24
50°
40°
25
49°
39°
26
49°
40°
27
50°
39°
28
49°
39°
29
50°
40°
30
51°
40°
31
50°
39°
1
50°
40°
2
51°
41°
3
50°
40°
4
50°
40°
5
51°
41°
6
52°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crystal Falls
Crystal Falls's May 2026 forecast shows daily high temperatures ranging from 43° to 54°, with overnight lows between 35° and 42°. The average high for May is 49° with an average low of 39°. 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 Crystal Falls. See also: June | July | August.
