S
M
T
W
T
F
S
26
53°
34°
27
54°
35°
28
55°
36°
29
55°
35°
30
54°
35°
1
55°
38°
2
57°
37°
3
56°
36°
4
60°
44°
5
66°
42°
6
61°
37°
7
58°
39°
8
66°
46°
9
69°
48°
10
69°
42°
11
59°
38°
12
59°
39°
13
61°
45°
14
60°
44°
15
59°
46°
16
60°
48°
17
61°
47°
18
68°
40°
19
64°
44°
20
64°
42°
21
65°
40°
22
64°
40°
23
63°
41°
24
63°
40°
25
66°
41°
26
67°
44°
27
66°
44°
28
66°
41°
29
67°
47°
30
68°
49°
31
67°
45°
1
67°
52°
2
69°
49°
3
68°
48°
4
68°
53°
5
75°
53°
6
74°
49°
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 53° to 75°, with overnight lows between 34° and 53°. The average high for May is 63° with an average low of 43°. 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.