S
M
T
W
T
F
S
26
62°
35°
27
66°
43°
28
62°
47°
29
50°
36°
30
48°
31°
1
46°
29°
2
43°
30°
3
56°
30°
4
71°
44°
5
60°
43°
6
47°
35°
7
49°
31°
8
55°
33°
9
61°
38°
10
51°
34°
11
50°
31°
12
54°
29°
13
53°
39°
14
53°
39°
15
64°
34°
16
71°
49°
17
82°
53°
18
85°
61°
19
82°
45°
20
50°
37°
21
58°
35°
22
62°
40°
23
54°
48°
24
67°
50°
25
78°
55°
26
83°
54°
27
75°
50°
28
66°
45°
29
67°
45°
30
66°
45°
31
67°
48°
1
69°
49°
2
68°
51°
3
68°
50°
4
71°
51°
5
69°
46°
6
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Chepstow
Chepstow's May 2026 forecast shows daily high temperatures ranging from 54° to 83°, with overnight lows between 45° and 55°. The average high for May is 69° 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 Chepstow. See also: June | July | August.
