S
M
T
W
T
F
S
26
65°
39°
27
71°
35°
28
65°
38°
29
60°
45°
30
52°
45°
1
62°
40°
2
59°
44°
3
54°
35°
4
73°
36°
5
85°
52°
6
73°
53°
7
63°
43°
8
60°
36°
9
50°
34°
10
74°
48°
11
62°
40°
12
63°
37°
13
59°
40°
14
59°
50°
15
57°
46°
16
78°
57°
17
86°
54°
18
74°
57°
19
92°
68°
20
92°
52°
21
67°
43°
22
62°
43°
23
64°
46°
24
63°
50°
25
69°
51°
26
74°
54°
27
72°
55°
28
74°
55°
29
72°
50°
30
67°
54°
31
68°
53°
1
70°
52°
2
68°
52°
3
68°
51°
4
69°
56°
5
69°
56°
6
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Nashua
Nashua's May 2026 forecast shows daily high temperatures ranging from 62° to 92°, with overnight lows between 43° and 68°. The average high for May is 72° with an average low of 53°. 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 Nashua. See also: June | July | August.
