S
M
T
W
T
F
S
26
81°
57°
27
82°
64°
28
81°
61°
29
70°
55°
30
64°
46°
1
64°
41°
2
68°
39°
3
70°
34°
4
81°
57°
5
70°
54°
6
59°
48°
7
68°
44°
8
76°
56°
9
78°
61°
10
73°
48°
11
70°
50°
12
74°
58°
13
79°
64°
14
81°
65°
15
78°
61°
16
78°
62°
17
77°
60°
18
76°
61°
19
82°
59°
20
81°
62°
21
76°
61°
22
75°
63°
23
76°
63°
24
76°
64°
25
77°
64°
26
78°
62°
27
77°
62°
28
78°
61°
29
79°
63°
30
78°
65°
31
77°
65°
1
78°
63°
2
81°
66°
3
82°
66°
4
81°
67°
5
80°
67°
6
82°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chestnut Hill
Chestnut Hill's May 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 44° and 68°. The average high for May is 77° with an average low of 61°. 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 Chestnut Hill. See also: June | July | August.
