S
M
T
W
T
F
S
26
62°
39°
27
72°
35°
28
62°
36°
29
65°
48°
30
65°
47°
1
66°
38°
2
62°
43°
3
61°
40°
4
74°
36°
5
84°
58°
6
69°
53°
7
64°
48°
8
67°
40°
9
63°
47°
10
77°
46°
11
62°
45°
12
68°
38°
13
76°
53°
14
64°
51°
15
66°
51°
16
81°
63°
17
86°
65°
18
91°
67°
19
94°
69°
20
90°
57°
21
71°
52°
22
70°
51°
23
75°
54°
24
79°
55°
25
76°
59°
26
79°
59°
27
81°
61°
28
78°
56°
29
72°
56°
30
73°
60°
31
80°
58°
1
73°
55°
2
74°
55°
3
73°
54°
4
74°
54°
5
75°
62°
6
82°
63°
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 66° to 94°, with overnight lows between 51° and 69°. The average high for May is 78° with an average low of 58°. 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.
