S
M
T
W
T
F
S
26
64°
39°
27
61°
45°
28
59°
39°
29
64°
41°
30
69°
47°
1
68°
48°
2
61°
48°
3
58°
46°
4
60°
46°
5
59°
45°
6
58°
45°
7
58°
45°
8
60°
46°
9
59°
47°
10
57°
45°
11
59°
46°
12
59°
44°
13
57°
48°
14
58°
49°
15
61°
50°
16
62°
49°
17
59°
45°
18
63°
51°
19
65°
52°
20
66°
52°
21
65°
51°
22
66°
52°
23
66°
51°
24
65°
52°
25
65°
51°
26
60°
50°
27
61°
47°
28
61°
48°
29
60°
47°
30
64°
50°
31
66°
52°
1
66°
53°
2
67°
53°
3
67°
52°
4
63°
52°
5
63°
51°
6
61°
48°
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 57° to 69°, with overnight lows between 39° and 53°. The average high for May is 62° with an average low of 48°. 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.
