S
M
T
W
T
F
S
26
65°
41°
27
73°
38°
28
72°
38°
29
68°
44°
30
57°
46°
1
65°
41°
2
55°
44°
3
56°
38°
4
74°
39°
5
82°
50°
6
69°
52°
7
63°
41°
8
60°
39°
9
54°
41°
10
73°
53°
11
63°
48°
12
65°
39°
13
65°
46°
14
58°
51°
15
64°
46°
16
80°
47°
17
90°
53°
18
91°
59°
19
94°
70°
20
92°
57°
21
69°
45°
22
68°
48°
23
60°
48°
24
62°
51°
25
68°
53°
26
72°
57°
27
77°
55°
28
76°
56°
29
75°
56°
30
78°
57°
31
82°
58°
1
80°
54°
2
71°
53°
3
69°
52°
4
70°
57°
5
74°
57°
6
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Simsbury
Simsbury's May 2026 forecast shows daily high temperatures ranging from 60° to 94°, with overnight lows between 45° and 70°. The average high for May is 74° 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 Simsbury. See also: June | July | August.
