S
M
T
W
T
F
S
26
55°
39°
27
57°
36°
28
50°
37°
29
48°
45°
30
55°
46°
1
64°
43°
2
59°
41°
3
54°
36°
4
70°
41°
5
75°
50°
6
70°
57°
7
59°
48°
8
61°
41°
9
63°
36°
10
73°
54°
11
61°
43°
12
59°
43°
13
66°
45°
14
61°
52°
15
55°
43°
16
75°
58°
17
84°
49°
18
72°
57°
19
85°
63°
20
82°
57°
21
67°
45°
22
64°
50°
23
65°
49°
24
67°
48°
25
67°
53°
26
73°
54°
27
71°
54°
28
69°
49°
29
66°
49°
30
67°
54°
31
68°
54°
1
68°
53°
2
69°
52°
3
68°
51°
4
68°
49°
5
69°
54°
6
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Marshfield
Marshfield's May 2026 forecast shows daily high temperatures ranging from 55° to 85°, with overnight lows between 43° and 63°. The average high for May is 70° 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 Marshfield. See also: June | July | August.
