S
M
T
W
T
F
S
26
87°
67°
27
85°
66°
28
86°
67°
29
88°
65°
30
88°
67°
1
90°
69°
2
90°
67°
3
73°
63°
4
84°
63°
5
87°
66°
6
94°
66°
7
95°
67°
8
90°
68°
9
90°
68°
10
89°
67°
11
91°
68°
12
91°
68°
13
89°
67°
14
87°
66°
15
89°
65°
16
87°
63°
17
86°
64°
18
86°
66°
19
88°
67°
20
90°
67°
21
85°
66°
22
86°
65°
23
86°
63°
24
87°
67°
25
87°
68°
26
88°
68°
27
87°
67°
28
87°
68°
29
88°
68°
30
88°
68°
31
87°
69°
1
87°
69°
2
88°
70°
3
87°
70°
4
87°
69°
5
88°
69°
6
88°
70°
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 73° to 95°, with overnight lows between 63° and 70°. The average high for May is 88° with an average low of 67°. 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.