S
M
T
W
T
F
S
26
80°
59°
27
85°
57°
28
64°
48°
29
63°
42°
30
64°
45°
1
59°
41°
2
60°
43°
3
74°
55°
4
76°
54°
5
75°
58°
6
70°
47°
7
59°
44°
8
63°
46°
9
66°
50°
10
74°
55°
11
71°
52°
12
74°
51°
13
69°
58°
14
74°
57°
15
75°
59°
16
73°
59°
17
78°
58°
18
77°
59°
19
76°
60°
20
79°
60°
21
76°
59°
22
76°
58°
23
72°
54°
24
75°
60°
25
78°
61°
26
73°
55°
27
72°
54°
28
74°
56°
29
74°
55°
30
80°
62°
31
82°
63°
1
82°
63°
2
81°
64°
3
83°
63°
4
76°
59°
5
75°
56°
6
75°
56°
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 59° to 83°, with overnight lows between 41° and 64°. The average high for May is 73° with an average low of 55°. 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.
