S
M
T
W
T
F
S
26
88°
63°
27
86°
64°
28
90°
65°
29
91°
64°
30
83°
60°
31
80°
57°
1
82°
63°
2
90°
65°
3
83°
59°
4
83°
56°
5
88°
58°
6
87°
61°
7
91°
62°
8
90°
63°
9
89°
57°
10
85°
54°
11
82°
51°
12
79°
50°
13
79°
51°
14
80°
53°
15
79°
50°
16
78°
51°
17
80°
52°
18
81°
56°
19
84°
61°
20
89°
60°
21
89°
60°
22
88°
59°
23
88°
50°
24
79°
50°
25
80°
49°
26
79°
54°
27
82°
55°
28
87°
48°
29
77°
46°
30
77°
53°
31
78°
55°
1
83°
56°
2
84°
51°
3
76°
44°
4
75°
46°
5
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Buffalo
Buffalo's August 2026 forecast shows daily high temperatures ranging from 74° to 91°, with overnight lows between 44° and 65°. The average high for August is 83° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Buffalo. See also: September | October | November.
