S
M
T
W
T
F
S
27
73°
55°
28
77°
54°
29
77°
55°
30
82°
61°
1
81°
63°
2
81°
59°
3
73°
55°
4
70°
52°
5
72°
45°
6
75°
48°
7
68°
54°
8
82°
59°
9
79°
59°
10
64°
55°
11
63°
54°
12
70°
61°
13
79°
61°
14
81°
61°
15
82°
64°
16
86°
68°
17
84°
64°
18
84°
63°
19
81°
61°
20
84°
68°
21
84°
63°
22
82°
54°
23
79°
54°
24
73°
48°
25
73°
61°
26
73°
55°
27
59°
54°
28
77°
54°
29
79°
64°
30
77°
57°
31
79°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Buffalo
Buffalo's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Buffalo. See also: June | July | August.
