S
M
T
W
T
F
S
26
55°
44°
27
69°
39°
28
67°
43°
29
69°
48°
30
73°
48°
1
69°
38°
2
62°
48°
3
64°
40°
4
79°
47°
5
86°
59°
6
72°
62°
7
70°
46°
8
72°
42°
9
78°
52°
10
86°
53°
11
63°
43°
12
71°
41°
13
79°
51°
14
65°
48°
15
75°
44°
16
86°
48°
17
92°
62°
18
96°
65°
19
97°
74°
20
97°
71°
21
83°
58°
22
60°
54°
23
64°
59°
24
74°
64°
25
78°
65°
26
74°
65°
27
79°
67°
28
80°
60°
29
78°
59°
30
75°
57°
31
78°
55°
1
76°
58°
2
80°
58°
3
79°
59°
4
77°
61°
5
82°
60°
6
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Northfield
Northfield's May 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 55° and 67°. The average high for May is 77° with an average low of 60°. 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 Northfield. See also: June | July | August.