S
M
T
W
T
F
S
26
68°
34°
27
75°
33°
28
72°
37°
29
69°
36°
30
53°
46°
1
60°
39°
2
55°
36°
3
54°
38°
4
68°
43°
5
75°
54°
6
63°
45°
7
59°
43°
8
56°
36°
9
57°
38°
10
61°
39°
11
64°
40°
12
62°
42°
13
65°
44°
14
64°
45°
15
65°
46°
16
64°
42°
17
71°
48°
18
73°
48°
19
73°
47°
20
70°
48°
21
70°
48°
22
71°
47°
23
66°
42°
24
64°
42°
25
65°
43°
26
66°
49°
27
67°
45°
28
67°
43°
29
66°
42°
30
67°
44°
31
68°
51°
1
70°
47°
2
69°
44°
3
69°
51°
4
74°
52°
5
70°
50°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Springfield
Springfield's May 2026 forecast shows daily high temperatures ranging from 54° to 75°, with overnight lows between 36° and 54°. The average high for May is 66° with an average low of 45°. 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 Springfield. See also: June | July | August.