S
M
T
W
T
F
S
26
66°
39°
27
72°
45°
28
68°
37°
29
67°
32°
30
52°
44°
1
67°
37°
2
75°
32°
3
88°
36°
4
87°
37°
5
55°
37°
6
44°
32°
7
78°
31°
8
78°
46°
9
89°
47°
10
67°
47°
11
87°
40°
12
88°
50°
13
86°
45°
14
98°
55°
15
93°
50°
16
94°
55°
17
85°
48°
18
67°
47°
19
N/A
20
65°
52°
21
62°
54°
22
74°
48°
23
75°
51°
24
81°
53°
25
83°
55°
26
82°
56°
27
78°
55°
28
82°
54°
29
83°
53°
30
87°
56°
31
89°
57°
1
84°
56°
2
84°
55°
3
84°
59°
4
88°
58°
5
80°
59°
6
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Syracuse
Syracuse's May 2026 forecast shows daily high temperatures ranging from 62° to 89°, with overnight lows between 48° and 59°. The average high for May is 80° 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 Syracuse. See also: June | July | August.
