S
M
T
W
T
F
S
26
60°
47°
27
61°
48°
28
62°
50°
29
61°
49°
30
64°
49°
1
64°
48°
2
63°
49°
3
66°
48°
4
65°
49°
5
69°
51°
6
65°
50°
7
64°
48°
8
68°
46°
9
65°
47°
10
65°
54°
11
70°
49°
12
65°
46°
13
66°
53°
14
73°
54°
15
68°
52°
16
67°
51°
17
68°
53°
18
72°
56°
19
75°
53°
20
74°
48°
21
65°
48°
22
67°
52°
23
68°
51°
24
72°
57°
25
76°
58°
26
77°
55°
27
68°
55°
28
69°
58°
29
69°
56°
30
70°
55°
31
69°
58°
1
76°
59°
2
76°
59°
3
76°
59°
4
77°
60°
5
78°
58°
6
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Sinai
Mount Sinai's May 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 46° and 60°. The average high for May is 69° 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 Mount Sinai. See also: June | July | August.
