S
M
T
W
T
F
S
26
56°
40°
27
65°
41°
28
63°
43°
29
60°
47°
30
60°
47°
1
62°
44°
2
61°
50°
3
59°
44°
4
65°
48°
5
67°
52°
6
60°
56°
7
64°
46°
8
64°
46°
9
61°
49°
10
67°
51°
11
60°
47°
12
64°
46°
13
67°
51°
14
65°
54°
15
67°
48°
16
72°
47°
17
83°
58°
18
82°
60°
19
81°
61°
20
92°
66°
21
67°
56°
22
66°
54°
23
56°
50°
24
57°
50°
25
72°
55°
26
77°
59°
27
80°
61°
28
76°
57°
29
78°
55°
30
64°
51°
31
71°
59°
1
71°
53°
2
66°
55°
3
71°
55°
4
77°
58°
5
76°
61°
6
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cold Spring Harbor
Cold Spring Harbor's May 2026 forecast shows daily high temperatures ranging from 64° to 78°, with overnight lows between 51° and 62°. The average high for May is 73° with an average low of 57°. 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 Cold Spring Harbor. See also: June | July | August.
