S
M
T
W
T
F
S
26
64°
44°
27
58°
44°
28
57°
41°
29
55°
38°
30
52°
36°
1
55°
40°
2
67°
39°
3
71°
52°
4
64°
42°
5
53°
37°
6
46°
32°
7
59°
33°
8
72°
44°
9
62°
49°
10
61°
43°
11
69°
40°
12
71°
55°
13
73°
44°
14
80°
50°
15
88°
61°
16
80°
57°
17
72°
54°
18
66°
54°
19
55°
43°
20
61°
39°
21
66°
46°
22
65°
51°
23
68°
52°
24
82°
60°
25
86°
66°
26
89°
66°
27
87°
64°
28
83°
62°
29
81°
61°
30
77°
60°
31
76°
58°
1
81°
61°
2
79°
61°
3
79°
60°
4
80°
62°
5
76°
57°
6
72°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Richfield
Richfield's May 2026 forecast shows daily high temperatures ranging from 68° to 89°, with overnight lows between 52° and 66°. The average high for May is 80° with an average low of 61°. 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 Richfield. See also: June | July | August.