S
M
T
W
T
F
S
26
75°
52°
27
78°
50°
28
69°
52°
29
71°
52°
30
61°
46°
1
67°
40°
2
56°
41°
3
60°
33°
4
72°
37°
5
74°
44°
6
67°
56°
7
60°
43°
8
68°
36°
9
71°
43°
10
76°
44°
11
64°
44°
12
71°
39°
13
71°
47°
14
56°
39°
15
72°
45°
16
80°
56°
17
84°
58°
18
88°
61°
19
86°
60°
20
76°
60°
21
70°
55°
22
73°
52°
23
74°
56°
24
78°
59°
25
77°
58°
26
77°
59°
27
78°
61°
28
75°
55°
29
80°
59°
30
79°
59°
31
74°
55°
1
74°
56°
2
76°
55°
3
76°
54°
4
77°
59°
5
82°
61°
6
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bristol
Bristol's May 2026 forecast shows daily high temperatures ranging from 70° to 88°, with overnight lows between 45° and 62°. The average high for May is 78° with an average low of 57°. 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 Bristol. See also: June | July | August.