S
M
T
W
T
F
S
26
82°
60°
27
81°
59°
28
82°
60°
29
79°
60°
30
80°
61°
1
78°
60°
2
78°
62°
3
83°
62°
4
84°
61°
5
82°
59°
6
77°
55°
7
76°
55°
8
77°
57°
9
81°
62°
10
80°
57°
11
77°
57°
12
78°
61°
13
80°
62°
14
83°
63°
15
83°
64°
16
85°
65°
17
86°
65°
18
85°
64°
19
84°
65°
20
81°
65°
21
81°
64°
22
84°
64°
23
80°
61°
24
81°
64°
25
88°
65°
26
83°
62°
27
84°
62°
28
83°
67°
29
88°
68°
30
87°
67°
31
89°
68°
1
89°
68°
2
90°
64°
3
89°
63°
4
84°
64°
5
84°
64°
6
85°
63°
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 76° to 90°, with overnight lows between 55° and 68°. The average high for May is 83° with an average low of 62°. 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.