S
M
T
W
T
F
S
26
58°
44°
27
71°
39°
28
62°
46°
29
62°
52°
30
69°
43°
1
67°
38°
2
61°
49°
3
63°
42°
4
78°
44°
5
85°
55°
6
72°
60°
7
65°
53°
8
73°
41°
9
75°
55°
10
83°
48°
11
63°
47°
12
71°
40°
13
76°
57°
14
63°
53°
15
72°
52°
16
86°
47°
17
88°
58°
18
95°
62°
19
97°
71°
20
96°
69°
21
70°
57°
22
60°
51°
23
56°
51°
24
63°
54°
25
75°
61°
26
76°
63°
27
82°
69°
28
81°
59°
29
80°
50°
30
71°
54°
31
78°
47°
1
80°
53°
2
76°
52°
3
82°
49°
4
88°
52°
5
91°
57°
6
91°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Berwyn Heights
Berwyn Heights's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Berwyn Heights. See also: June | July | August.