S
M
T
W
T
F
S
26
64°
45°
27
66°
48°
28
54°
43°
29
66°
39°
30
72°
43°
1
59°
48°
2
61°
46°
3
61°
48°
4
59°
50°
5
59°
48°
6
57°
45°
7
57°
43°
8
64°
46°
9
66°
43°
10
55°
39°
11
54°
39°
12
57°
41°
13
57°
43°
14
52°
43°
15
55°
41°
16
54°
43°
17
54°
45°
18
54°
45°
19
61°
52°
20
N/A
21
72°
56°
22
75°
55°
23
76°
56°
24
85°
62°
25
85°
63°
26
85°
61°
27
79°
56°
28
76°
55°
29
77°
53°
30
70°
51°
31
70°
51°
1
69°
50°
2
64°
47°
3
64°
51°
4
65°
50°
5
65°
50°
6
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Chewton Keynsham
Chewton Keynsham's May 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 47° and 63°. The average high for May is 73° with an average low of 54°. 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 Chewton Keynsham. See also: June | July | August.