S
M
T
W
T
F
S
26
57°
40°
27
68°
46°
28
64°
51°
29
56°
39°
30
54°
36°
1
49°
33°
2
56°
30°
3
69°
46°
4
81°
44°
5
61°
48°
6
58°
39°
7
58°
44°
8
62°
51°
9
75°
48°
10
57°
43°
11
55°
44°
12
56°
44°
13
65°
50°
14
63°
53°
15
71°
51°
16
65°
48°
17
62°
51°
18
67°
50°
19
69°
48°
20
63°
44°
21
62°
45°
22
62°
45°
23
63°
47°
24
64°
48°
25
65°
47°
26
65°
46°
27
66°
46°
28
68°
48°
29
70°
53°
30
75°
54°
31
76°
56°
1
76°
53°
2
70°
54°
3
77°
58°
4
78°
59°
5
78°
58°
6
70°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bannockburn
Bannockburn's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 39° and 59°. The average high for May is 67° with an average low of 49°. 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 Bannockburn. See also: June | July | August.
