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
75°
57°
6
69°
55°
7
60°
40°
8
67°
45°
9
73°
52°
10
74°
53°
11
61°
39°
12
60°
43°
13
71°
52°
14
75°
56°
15
74°
57°
16
75°
59°
17
74°
56°
18
71°
52°
19
75°
56°
20
77°
57°
21
74°
53°
22
74°
48°
23
69°
47°
24
70°
50°
25
71°
53°
26
73°
50°
27
70°
50°
28
72°
51°
29
73°
52°
30
74°
56°
31
76°
58°
1
76°
59°
2
74°
58°
3
75°
57°
4
75°
57°
5
79°
59°
6
82°
61°
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 60° to 82°, with overnight lows between 39° and 61°. The average high for May is 72° with an average low of 53°. 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.