S
M
T
W
T
F
S
26
64°
45°
27
67°
46°
28
55°
41°
29
62°
44°
30
66°
48°
1
69°
50°
2
64°
49°
3
61°
44°
4
60°
46°
5
62°
45°
6
61°
44°
7
58°
42°
8
59°
43°
9
55°
40°
10
56°
44°
11
61°
46°
12
59°
44°
13
57°
44°
14
57°
47°
15
60°
47°
16
62°
46°
17
61°
43°
18
63°
48°
19
65°
50°
20
66°
50°
21
66°
49°
22
67°
49°
23
66°
48°
24
65°
49°
25
65°
49°
26
61°
48°
27
59°
46°
28
59°
48°
29
60°
46°
30
64°
49°
31
66°
50°
1
66°
50°
2
65°
51°
3
67°
50°
4
64°
50°
5
62°
49°
6
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stamford
Stamford's May 2026 forecast shows daily high temperatures ranging from 55° to 69°, with overnight lows between 40° and 51°. The average high for May is 62° 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 Stamford. See also: June | July | August.
