S
M
T
W
T
F
S
26
70°
44°
27
68°
56°
28
63°
51°
29
61°
43°
30
61°
37°
1
54°
38°
2
57°
42°
3
67°
48°
4
74°
51°
5
58°
41°
6
56°
38°
7
54°
37°
8
63°
44°
9
65°
45°
10
67°
48°
11
65°
48°
12
67°
46°
13
65°
48°
14
71°
47°
15
65°
47°
16
65°
46°
17
67°
55°
18
74°
55°
19
69°
54°
20
73°
56°
21
76°
56°
22
74°
55°
23
74°
51°
24
68°
50°
25
68°
53°
26
71°
57°
27
72°
55°
28
70°
53°
29
70°
49°
30
72°
51°
31
72°
51°
1
71°
56°
2
80°
58°
3
72°
53°
4
72°
51°
5
73°
51°
6
72°
52°
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 54° to 80°, with overnight lows between 37° and 58°. The average high for May is 68° 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.