S
M
T
W
T
F
S
26
45°
35°
27
52°
38°
28
52°
34°
29
60°
36°
30
59°
34°
1
63°
32°
2
76°
28°
3
73°
36°
4
75°
38°
5
48°
38°
6
53°
36°
7
71°
46°
8
75°
47°
9
73°
42°
10
75°
46°
11
88°
49°
12
81°
45°
13
78°
48°
14
79°
49°
15
78°
50°
16
80°
49°
17
76°
48°
18
79°
52°
19
73°
45°
20
65°
46°
21
64°
46°
22
65°
46°
23
66°
50°
24
68°
52°
25
69°
52°
26
69°
52°
27
70°
54°
28
74°
54°
29
73°
53°
30
72°
54°
31
75°
54°
1
76°
55°
2
79°
56°
3
82°
56°
4
81°
52°
5
70°
51°
6
71°
56°
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 53° to 88°, with overnight lows between 36° and 56°. The average high for May is 73° with an average low of 50°. 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.
