S
M
T
W
T
F
S
26
84°
62°
27
84°
72°
28
85°
72°
29
74°
59°
30
66°
57°
1
64°
52°
2
75°
45°
3
81°
45°
4
80°
53°
5
83°
65°
6
74°
52°
7
72°
49°
8
78°
61°
9
85°
63°
10
85°
60°
11
74°
49°
12
80°
55°
13
85°
57°
14
84°
59°
15
83°
63°
16
86°
62°
17
87°
64°
18
86°
66°
19
84°
65°
20
84°
66°
21
82°
60°
22
79°
64°
23
80°
64°
24
81°
63°
25
80°
64°
26
80°
65°
27
81°
65°
28
81°
64°
29
80°
65°
30
80°
65°
31
81°
62°
1
81°
63°
2
83°
64°
3
83°
66°
4
82°
67°
5
82°
67°
6
83°
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 74° to 87°, with overnight lows between 49° and 67°. The average high for May is 82° with an average low of 63°. 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.