S
M
T
W
T
F
S
26
48°
39°
27
50°
39°
28
63°
30°
29
68°
37°
30
68°
45°
1
77°
48°
2
79°
45°
3
70°
43°
4
55°
43°
5
48°
43°
6
68°
43°
7
75°
41°
8
75°
54°
9
79°
48°
10
90°
45°
11
90°
50°
12
91°
48°
13
70°
52°
14
73°
48°
15
73°
54°
16
66°
54°
17
64°
43°
18
68°
41°
19
73°
36°
20
77°
39°
21
81°
50°
22
82°
56°
23
77°
62°
24
77°
61°
25
72°
54°
26
57°
45°
27
54°
41°
28
62°
41°
29
58°
43°
30
65°
52°
31
71°
55°
1
75°
57°
2
76°
62°
3
77°
64°
4
79°
65°
5
81°
64°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Keene
Keene's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Keene. See also: June | July | August.
