S
M
T
W
T
F
S
26
79°
52°
27
77°
55°
28
61°
50°
29
61°
43°
30
64°
37°
1
62°
40°
2
61°
45°
3
75°
54°
4
78°
52°
5
58°
44°
6
56°
41°
7
59°
45°
8
67°
49°
9
73°
53°
10
69°
49°
11
73°
54°
12
72°
53°
13
70°
52°
14
73°
51°
15
68°
56°
16
67°
56°
17
70°
60°
18
75°
60°
19
76°
59°
20
77°
61°
21
76°
61°
22
77°
57°
23
71°
52°
24
70°
55°
25
72°
61°
26
74°
59°
27
73°
57°
28
72°
55°
29
71°
54°
30
75°
63°
31
77°
61°
1
75°
64°
2
82°
64°
3
81°
61°
4
74°
57°
5
74°
56°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Quincy
Quincy's May 2026 forecast shows daily high temperatures ranging from 56° to 82°, with overnight lows between 40° and 64°. The average high for May is 72° with an average low of 55°. 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 Quincy. See also: June | July | August.
