S
M
T
W
T
F
S
26
63°
36°
27
73°
38°
28
68°
55°
29
62°
48°
30
53°
39°
1
57°
35°
2
49°
36°
3
57°
36°
4
74°
47°
5
74°
48°
6
49°
44°
7
57°
37°
8
56°
38°
9
63°
37°
10
59°
40°
11
55°
34°
12
60°
33°
13
69°
45°
14
51°
44°
15
64°
44°
16
80°
42°
17
83°
57°
18
91°
60°
19
87°
70°
20
77°
49°
21
61°
43°
22
66°
37°
23
57°
48°
24
61°
49°
25
70°
54°
26
83°
50°
27
76°
57°
28
67°
51°
29
72°
49°
30
67°
48°
31
73°
42°
1
71°
45°
2
74°
45°
3
80°
48°
4
83°
51°
5
87°
53°
6
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Green Lakes State Park
Green Lakes State Park's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Green Lakes State Park. See also: June | July | August.
