S
M
T
W
T
F
S
26
59°
40°
27
65°
43°
28
62°
40°
29
59°
39°
30
52°
42°
1
59°
39°
2
53°
43°
3
50°
37°
4
69°
41°
5
79°
46°
6
69°
51°
7
59°
41°
8
56°
39°
9
50°
36°
10
69°
49°
11
59°
45°
12
60°
42°
13
61°
43°
14
56°
48°
15
54°
44°
16
74°
47°
17
84°
59°
18
86°
64°
19
90°
69°
20
84°
63°
21
64°
52°
22
60°
45°
23
65°
48°
24
55°
52°
25
72°
55°
26
79°
59°
27
81°
56°
28
65°
47°
29
68°
48°
30
69°
51°
31
72°
51°
1
70°
50°
2
71°
52°
3
74°
53°
4
72°
54°
5
77°
51°
6
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Quinebaug
Quinebaug's May 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 47° and 59°. The average high for May is 71° with an average low of 52°. 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 Quinebaug. See also: June | July | August.