S
M
T
W
T
F
S
26
65°
42°
27
66°
45°
28
57°
45°
29
63°
42°
30
69°
45°
1
77°
46°
2
66°
51°
3
61°
45°
4
59°
43°
5
58°
41°
6
56°
40°
7
58°
42°
8
57°
42°
9
59°
44°
10
60°
45°
11
59°
45°
12
60°
44°
13
59°
45°
14
57°
40°
15
60°
47°
16
61°
48°
17
61°
47°
18
62°
47°
19
60°
46°
20
58°
46°
21
59°
45°
22
59°
43°
23
60°
44°
24
60°
44°
25
59°
42°
26
58°
44°
27
62°
48°
28
61°
49°
29
65°
49°
30
63°
44°
31
59°
44°
1
59°
43°
2
58°
43°
3
59°
45°
4
59°
44°
5
60°
44°
6
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bourton on Dunsmore
Bourton on Dunsmore's May 2026 forecast shows daily high temperatures ranging from 56° to 77°, with overnight lows between 40° and 51°. The average high for May is 60° with an average low of 45°. 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 Bourton on Dunsmore. See also: June | July | August.