S
M
T
W
T
F
S
26
59°
43°
27
63°
45°
28
64°
52°
29
48°
39°
30
52°
34°
1
46°
32°
2
57°
32°
3
70°
52°
4
81°
45°
5
59°
41°
6
54°
34°
7
55°
34°
8
70°
34°
9
68°
41°
10
61°
34°
11
54°
36°
12
77°
34°
13
63°
41°
14
68°
36°
15
81°
54°
16
86°
61°
17
63°
50°
18
84°
59°
19
77°
54°
20
59°
46°
21
57°
45°
22
64°
46°
23
72°
52°
24
79°
54°
25
86°
54°
26
88°
59°
27
80°
47°
28
69°
44°
29
81°
52°
30
69°
48°
31
71°
49°
1
77°
49°
2
78°
52°
3
80°
53°
4
75°
53°
5
77°
56°
6
79°
56°
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 69° to 88°, with overnight lows between 44° and 59°. The average high for May is 77° with an average low of 52°. 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.