S
M
T
W
T
F
S
26
74°
57°
27
74°
50°
28
61°
44°
29
61°
42°
30
66°
42°
1
65°
34°
2
63°
37°
3
80°
42°
4
82°
52°
5
60°
46°
6
60°
44°
7
69°
39°
8
64°
50°
9
84°
48°
10
69°
46°
11
79°
45°
12
81°
57°
13
78°
48°
14
78°
53°
15
87°
63°
16
88°
65°
17
84°
64°
18
82°
61°
19
65°
52°
20
65°
45°
21
65°
55°
22
70°
59°
23
77°
58°
24
81°
50°
25
83°
56°
26
81°
60°
27
86°
65°
28
82°
66°
29
75°
65°
30
78°
64°
31
81°
63°
1
83°
64°
2
84°
62°
3
81°
63°
4
82°
62°
5
83°
67°
6
88°
67°
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 75° to 88°, with overnight lows between 62° and 67°. The average high for May is 82° with an average low of 64°. 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.
