S
M
T
W
T
F
S
26
59°
41°
27
70°
36°
28
61°
38°
29
59°
46°
30
60°
39°
1
58°
40°
2
52°
39°
3
56°
41°
4
62°
45°
5
68°
46°
6
69°
52°
7
64°
46°
8
57°
45°
9
61°
46°
10
62°
47°
11
64°
46°
12
63°
48°
13
63°
49°
14
65°
50°
15
65°
51°
16
66°
52°
17
66°
52°
18
67°
55°
19
75°
55°
20
73°
54°
21
72°
56°
22
75°
55°
23
75°
56°
24
76°
56°
25
70°
50°
26
68°
55°
27
69°
57°
28
75°
58°
29
75°
58°
30
74°
57°
31
74°
57°
1
72°
51°
2
69°
52°
3
68°
51°
4
71°
51°
5
70°
52°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Exton
Exton's May 2026 forecast shows daily high temperatures ranging from 52° to 76°, with overnight lows between 39° and 58°. The average high for May is 67° with an average low of 50°. 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 Exton. See also: June | July | August.
