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
60°
45°
9
58°
46°
10
62°
44°
11
61°
49°
12
66°
52°
13
67°
49°
14
65°
47°
15
64°
45°
16
62°
46°
17
63°
45°
18
65°
46°
19
70°
53°
20
70°
49°
21
67°
47°
22
68°
48°
23
67°
47°
24
68°
53°
25
76°
56°
26
74°
50°
27
68°
49°
28
68°
49°
29
70°
52°
30
75°
57°
31
78°
58°
1
78°
58°
2
79°
59°
3
80°
60°
4
80°
59°
5
79°
54°
6
72°
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 80°, with overnight lows between 39° and 60°. The average high for May is 67° with an average low of 49°. 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.
