S
M
T
W
T
F
S
26
59°
33°
27
62°
36°
28
63°
38°
29
63°
43°
30
65°
42°
1
57°
40°
2
63°
40°
3
68°
46°
4
70°
47°
5
71°
47°
6
69°
46°
7
64°
42°
8
68°
46°
9
68°
42°
10
61°
40°
11
61°
37°
12
62°
39°
13
66°
49°
14
63°
47°
15
63°
47°
16
66°
48°
17
63°
41°
18
62°
41°
19
63°
44°
20
66°
46°
21
65°
46°
22
64°
42°
23
64°
43°
24
66°
50°
25
66°
53°
26
67°
48°
27
66°
49°
28
67°
52°
29
68°
52°
30
75°
56°
31
77°
56°
1
78°
55°
2
81°
58°
3
80°
56°
4
79°
56°
5
72°
50°
6
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Amherst
Amherst's May 2026 forecast shows daily high temperatures ranging from 57° to 81°, with overnight lows between 33° and 58°. The average high for May is 67° with an average low of 46°. 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 Amherst. See also: June | July | August.
