S
M
T
W
T
F
S
26
61°
40°
27
74°
41°
28
64°
53°
29
53°
43°
30
49°
38°
1
47°
34°
2
46°
36°
3
52°
45°
4
60°
53°
5
59°
46°
6
52°
41°
7
49°
38°
8
50°
42°
9
52°
45°
10
54°
44°
11
54°
45°
12
57°
48°
13
58°
47°
14
62°
47°
15
62°
46°
16
61°
47°
17
62°
50°
18
64°
54°
19
68°
54°
20
68°
53°
21
70°
55°
22
68°
52°
23
66°
55°
24
69°
50°
25
64°
48°
26
65°
56°
27
66°
56°
28
71°
57°
29
69°
56°
30
67°
54°
31
69°
49°
1
65°
51°
2
64°
51°
3
66°
50°
4
66°
52°
5
67°
53°
6
67°
53°
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 46° to 71°, with overnight lows between 34° and 57°. The average high for May is 61° with an average low of 49°. 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.
