S
M
T
W
T
F
S
26
75°
55°
27
75°
52°
28
59°
44°
29
62°
41°
30
66°
40°
1
65°
38°
2
63°
36°
3
83°
43°
4
82°
57°
5
57°
46°
6
60°
44°
7
70°
43°
8
68°
50°
9
85°
50°
10
68°
48°
11
79°
44°
12
82°
51°
13
78°
48°
14
79°
51°
15
85°
63°
16
89°
65°
17
85°
67°
18
82°
61°
19
64°
50°
20
68°
55°
21
62°
59°
22
69°
56°
23
76°
57°
24
78°
61°
25
80°
61°
26
83°
63°
27
79°
64°
28
79°
64°
29
80°
65°
30
81°
62°
31
83°
63°
1
81°
60°
2
84°
64°
3
77°
60°
4
78°
60°
5
84°
66°
6
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gardner
Gardner's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 50° and 66°. The average high for May is 77° with an average low of 61°. 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 Gardner. See also: June | July | August.