S
M
T
W
T
F
S
26
61°
41°
27
70°
37°
28
61°
43°
29
63°
46°
30
61°
46°
1
63°
37°
2
59°
45°
3
61°
43°
4
73°
41°
5
82°
54°
6
70°
52°
7
64°
48°
8
63°
41°
9
61°
50°
10
70°
48°
11
63°
46°
12
66°
39°
13
70°
54°
14
61°
50°
15
64°
50°
16
81°
45°
17
86°
61°
18
93°
63°
19
92°
69°
20
88°
54°
21
62°
48°
22
64°
48°
23
53°
49°
24
66°
54°
25
73°
55°
26
78°
56°
27
79°
55°
28
78°
55°
29
75°
56°
30
77°
57°
31
81°
60°
1
83°
54°
2
74°
57°
3
71°
58°
4
73°
58°
5
75°
56°
6
76°
58°
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 53° to 92°, with overnight lows between 48° and 69°. The average high for May is 75° with an average low of 56°. 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.
