S
M
T
W
T
F
S
26
85°
67°
27
85°
64°
28
85°
68°
29
85°
63°
30
86°
58°
31
87°
59°
1
83°
62°
2
85°
72°
3
88°
71°
4
82°
71°
5
87°
71°
6
91°
69°
7
91°
69°
8
91°
70°
9
94°
68°
10
93°
64°
11
82°
68°
12
89°
62°
13
92°
63°
14
92°
70°
15
85°
69°
16
91°
72°
17
92°
70°
18
89°
69°
19
90°
65°
20
92°
67°
21
76°
66°
22
84°
64°
23
84°
58°
24
84°
53°
25
84°
51°
26
88°
55°
27
86°
68°
28
90°
63°
29
86°
69°
30
90°
67°
31
94°
67°
1
95°
67°
2
99°
70°
3
99°
69°
4
100°
71°
5
90°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Amherst
Amherst's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August 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 August weather will actually feel in Amherst. See also: September | October | November.