S
M
T
W
T
F
S
26
73°
52°
27
65°
55°
28
65°
55°
29
63°
47°
30
61°
38°
1
54°
42°
2
54°
38°
3
62°
49°
4
70°
56°
5
64°
43°
6
58°
41°
7
60°
41°
8
58°
42°
9
65°
46°
10
65°
47°
11
62°
44°
12
65°
46°
13
68°
50°
14
68°
47°
15
67°
47°
16
68°
49°
17
74°
54°
18
69°
55°
19
74°
54°
20
72°
52°
21
74°
47°
22
67°
46°
23
66°
46°
24
68°
48°
25
67°
49°
26
67°
48°
27
68°
48°
28
69°
49°
29
70°
53°
30
73°
58°
31
75°
55°
1
71°
51°
2
73°
54°
3
75°
59°
4
76°
58°
5
78°
60°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coatesville
Coatesville's May 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 41° and 61°. The average high for May is 69° 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 Coatesville. See also: June | July | August.
