S
M
T
W
T
F
S
26
70°
44°
27
68°
56°
28
63°
51°
29
61°
43°
30
61°
37°
1
54°
39°
2
57°
36°
3
70°
45°
4
82°
48°
5
57°
46°
6
57°
37°
7
59°
44°
8
62°
47°
9
74°
50°
10
61°
41°
11
62°
40°
12
62°
46°
13
66°
44°
14
71°
50°
15
72°
49°
16
66°
50°
17
66°
49°
18
70°
51°
19
74°
50°
20
67°
46°
21
66°
47°
22
66°
47°
23
67°
49°
24
68°
50°
25
69°
49°
26
69°
48°
27
71°
49°
28
71°
50°
29
74°
55°
30
78°
56°
31
79°
58°
1
80°
56°
2
74°
56°
3
80°
60°
4
81°
61°
5
81°
60°
6
76°
61°
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 57° to 81°, with overnight lows between 37° and 61°. The average high for May is 70° with an average low of 50°. 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.