S
M
T
W
T
F
S
26
55°
42°
27
56°
39°
28
64°
41°
29
57°
38°
30
58°
43°
1
64°
43°
2
59°
39°
3
63°
44°
4
68°
49°
5
70°
48°
6
70°
49°
7
71°
50°
8
72°
51°
9
72°
50°
10
71°
47°
11
61°
45°
12
62°
47°
13
66°
49°
14
63°
47°
15
66°
47°
16
70°
52°
17
73°
52°
18
68°
42°
19
68°
42°
20
64°
42°
21
65°
41°
22
65°
43°
23
66°
46°
24
65°
52°
25
69°
48°
26
71°
49°
27
72°
46°
28
69°
53°
29
68°
55°
30
81°
48°
31
73°
55°
1
71°
52°
2
73°
51°
3
72°
56°
4
79°
51°
5
79°
50°
6
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Deerfield
Deerfield's May 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 38° and 56°. The average high for May is 68° with an average low of 47°. 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 Deerfield. See also: June | July | August.
