S
M
T
W
T
F
S
26
73°
48°
27
73°
48°
28
61°
43°
29
59°
38°
30
55°
35°
1
53°
33°
2
61°
46°
3
73°
46°
4
77°
38°
5
58°
41°
6
57°
37°
7
56°
42°
8
71°
47°
9
70°
47°
10
67°
44°
11
68°
47°
12
69°
47°
13
72°
50°
14
66°
50°
15
66°
48°
16
67°
49°
17
66°
55°
18
70°
55°
19
74°
56°
20
75°
57°
21
77°
57°
22
69°
51°
23
69°
48°
24
66°
50°
25
66°
51°
26
70°
57°
27
71°
54°
28
70°
52°
29
70°
53°
30
78°
56°
31
72°
52°
1
72°
61°
2
78°
56°
3
72°
55°
4
73°
53°
5
74°
53°
6
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cedar Falls
Cedar Falls's May 2026 forecast shows daily high temperatures ranging from 53° to 78°, with overnight lows between 33° and 61°. The average high for May is 69° with an average low of 50°. 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 Cedar Falls. See also: June | July | August.