S
M
T
W
T
F
S
26
85°
61°
27
84°
70°
28
82°
64°
29
68°
61°
30
66°
50°
1
66°
48°
2
70°
43°
3
73°
41°
4
81°
59°
5
70°
61°
6
68°
52°
7
68°
48°
8
82°
45°
9
82°
54°
10
84°
54°
11
75°
54°
12
81°
46°
13
82°
50°
14
76°
54°
15
85°
68°
16
85°
65°
17
90°
70°
18
88°
70°
19
84°
65°
20
82°
63°
21
75°
63°
22
76°
61°
23
80°
64°
24
82°
66°
25
85°
67°
26
86°
68°
27
90°
74°
28
84°
67°
29
84°
68°
30
82°
66°
31
81°
64°
1
81°
65°
2
82°
67°
3
83°
68°
4
86°
69°
5
89°
70°
6
89°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bolton
Bolton's May 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 54° and 74°. The average high for May is 84° with an average low of 66°. 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 Bolton. See also: June | July | August.
