S
M
T
W
T
F
S
26
43°
32°
27
53°
27°
28
50°
25°
29
43°
23°
30
40°
33°
1
46°
38°
2
56°
29°
3
48°
28°
4
53°
34°
5
70°
41°
6
69°
50°
7
55°
46°
8
52°
40°
9
59°
36°
10
61°
40°
11
53°
39°
12
40°
36°
13
54°
41°
14
56°
44°
15
48°
39°
16
58°
46°
17
63°
42°
18
53°
39°
19
58°
46°
20
59°
41°
21
58°
38°
22
59°
41°
23
58°
40°
24
61°
40°
25
61°
42°
26
58°
40°
27
54°
41°
28
55°
40°
29
54°
39°
30
54°
39°
31
55°
43°
1
54°
44°
2
56°
45°
3
57°
44°
4
56°
44°
5
56°
41°
6
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Louisbourg
Louisbourg's May 2026 forecast shows daily high temperatures ranging from 48° to 63°, with overnight lows between 38° and 46°. The average high for May is 56° with an average low of 42°. 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 Louisbourg. See also: June | July | August.
