S
M
T
W
T
F
S
26
80°
68°
27
86°
63°
28
82°
66°
29
82°
66°
30
84°
70°
1
79°
61°
2
74°
58°
3
80°
56°
4
78°
55°
5
82°
57°
6
82°
69°
7
84°
73°
8
82°
69°
9
78°
66°
10
84°
68°
11
85°
69°
12
76°
66°
13
85°
64°
14
83°
68°
15
82°
64°
16
84°
62°
17
83°
70°
18
89°
71°
19
87°
70°
20
85°
73°
21
84°
73°
22
87°
73°
23
85°
72°
24
88°
73°
25
88°
72°
26
81°
75°
27
82°
74°
28
83°
73°
29
82°
74°
30
84°
72°
31
79°
70°
1
82°
67°
2
81°
69°
3
83°
70°
4
83°
69°
5
79°
71°
6
84°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Beacon Hill
Beacon Hill's May 2026 forecast shows daily high temperatures ranging from 79° to 84°, with overnight lows between 67° and 75°. The average high for May is 82° with an average low of 71°. 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 Beacon Hill. See also: June | July | August.