S
M
T
W
T
F
S
26
62°
45°
27
55°
43°
28
58°
41°
29
53°
33°
30
52°
29°
1
55°
35°
2
65°
29°
3
71°
41°
4
64°
42°
5
51°
36°
6
48°
32°
7
57°
35°
8
66°
43°
9
61°
35°
10
57°
34°
11
62°
45°
12
63°
43°
13
66°
49°
14
70°
50°
15
69°
50°
16
63°
46°
17
67°
47°
18
69°
49°
19
70°
48°
20
64°
42°
21
65°
43°
22
64°
43°
23
64°
46°
24
65°
51°
25
66°
52°
26
67°
47°
27
71°
50°
28
73°
53°
29
75°
55°
30
74°
56°
31
76°
55°
1
72°
49°
2
76°
57°
3
79°
58°
4
78°
53°
5
68°
51°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Croix Falls
St. Croix Falls's May 2026 forecast shows daily high temperatures ranging from 48° to 79°, with overnight lows between 32° and 58°. The average high for May is 67° 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 St. Croix Falls. See also: June | July | August.
