S
M
T
W
T
F
S
26
64°
36°
27
70°
32°
28
66°
34°
29
60°
37°
30
52°
43°
1
59°
39°
2
52°
38°
3
52°
32°
4
69°
37°
5
80°
46°
6
65°
48°
7
58°
35°
8
56°
32°
9
50°
31°
10
70°
47°
11
59°
38°
12
60°
34°
13
56°
36°
14
54°
50°
15
58°
44°
16
76°
43°
17
84°
51°
18
88°
52°
19
93°
61°
20
82°
63°
21
63°
43°
22
67°
37°
23
64°
43°
24
51°
48°
25
75°
46°
26
81°
57°
27
82°
55°
28
65°
51°
29
65°
43°
30
55°
40°
31
70°
44°
1
64°
45°
2
68°
47°
3
71°
50°
4
78°
52°
5
79°
56°
6
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monadnock State Park
Monadnock State Park's May 2026 forecast shows daily high temperatures ranging from 55° to 82°, with overnight lows between 40° and 57°. The average high for May is 72° with an average low of 49°. 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 Monadnock State Park. See also: June | July | August.
