S
M
T
W
T
F
S
26
56°
45°
27
59°
40°
28
66°
40°
29
58°
37°
30
60°
42°
1
65°
44°
2
62°
41°
3
64°
43°
4
67°
47°
5
70°
50°
6
71°
50°
7
72°
52°
8
73°
52°
9
73°
51°
10
70°
48°
11
62°
45°
12
65°
47°
13
68°
50°
14
64°
46°
15
67°
46°
16
70°
51°
17
74°
52°
18
68°
45°
19
69°
44°
20
67°
43°
21
66°
44°
22
67°
46°
23
68°
47°
24
66°
54°
25
69°
53°
26
75°
52°
27
77°
50°
28
70°
59°
29
77°
57°
30
81°
48°
31
72°
53°
1
72°
53°
2
74°
54°
3
76°
55°
4
78°
52°
5
81°
50°
6
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Syracuse
Syracuse's May 2026 forecast shows daily high temperatures ranging from 56° to 81°, with overnight lows between 37° and 59°. The average high for May is 69° with an average low of 48°. 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 Syracuse. See also: June | July | August.
