S
M
T
W
T
F
S
26
66°
43°
27
57°
48°
28
59°
42°
29
52°
37°
30
50°
33°
1
47°
30°
2
56°
42°
3
63°
43°
4
64°
35°
5
49°
35°
6
45°
34°
7
47°
36°
8
55°
38°
9
56°
40°
10
59°
43°
11
58°
41°
12
61°
43°
13
60°
42°
14
66°
43°
15
60°
42°
16
60°
42°
17
61°
49°
18
61°
51°
19
69°
51°
20
71°
52°
21
69°
48°
22
60°
46°
23
61°
43°
24
61°
43°
25
62°
47°
26
62°
50°
27
63°
52°
28
64°
47°
29
64°
48°
30
70°
49°
31
65°
48°
1
64°
49°
2
65°
48°
3
65°
48°
4
67°
47°
5
67°
47°
6
68°
49°
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 45° to 71°, with overnight lows between 30° and 52°. The average high for May is 61° with an average low of 44°. 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.
