S
M
T
W
T
F
S
26
61°
40°
27
74°
38°
28
63°
54°
29
54°
43°
30
50°
37°
1
45°
36°
2
45°
35°
3
48°
45°
4
59°
52°
5
56°
45°
6
52°
41°
7
47°
37°
8
48°
42°
9
50°
43°
10
50°
44°
11
53°
45°
12
53°
46°
13
55°
40°
14
62°
46°
15
61°
44°
16
61°
46°
17
62°
49°
18
64°
53°
19
67°
53°
20
68°
52°
21
70°
54°
22
68°
51°
23
66°
54°
24
69°
49°
25
64°
47°
26
65°
55°
27
66°
55°
28
71°
56°
29
69°
55°
30
67°
53°
31
69°
48°
1
65°
49°
2
63°
50°
3
66°
49°
4
66°
50°
5
67°
52°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Buffalo Heights
Buffalo Heights's May 2026 forecast shows daily high temperatures ranging from 45° to 71°, with overnight lows between 35° and 56°. The average high for May is 61° 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 Buffalo Heights. See also: June | July | August.