S
M
T
W
T
F
S
26
60°
46°
27
59°
43°
28
57°
38°
29
61°
37°
30
62°
40°
1
61°
41°
2
62°
41°
3
62°
39°
4
61°
39°
5
62°
38°
6
64°
43°
7
69°
44°
8
65°
41°
9
65°
47°
10
66°
40°
11
64°
39°
12
63°
40°
13
63°
40°
14
65°
41°
15
66°
44°
16
67°
42°
17
68°
52°
18
75°
42°
19
66°
42°
20
67°
43°
21
70°
53°
22
69°
54°
23
73°
55°
24
79°
55°
25
75°
54°
26
78°
57°
27
79°
55°
28
79°
53°
29
82°
54°
30
82°
53°
31
77°
51°
1
74°
50°
2
73°
53°
3
79°
57°
4
78°
57°
5
79°
56°
6
78°
57°
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 57° to 82°, with overnight lows between 37° and 57°. The average high for May is 69° with an average low of 47°. 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.
