S
M
T
W
T
F
S
26
63°
45°
27
64°
41°
28
57°
43°
29
66°
36°
30
N/A
1
63°
47°
2
60°
46°
3
56°
41°
4
56°
41°
5
52°
37°
6
51°
37°
7
55°
39°
8
57°
41°
9
58°
42°
10
59°
43°
11
58°
44°
12
60°
45°
13
53°
41°
14
54°
40°
15
55°
45°
16
58°
45°
17
56°
44°
18
56°
45°
19
57°
45°
20
56°
44°
21
56°
45°
22
57°
43°
23
56°
42°
24
56°
42°
25
57°
41°
26
56°
41°
27
58°
46°
28
57°
47°
29
58°
43°
30
57°
42°
31
56°
42°
1
56°
41°
2
57°
42°
3
56°
42°
4
57°
43°
5
57°
43°
6
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Balloch
Balloch's May 2026 forecast shows daily high temperatures ranging from 51° to 63°, with overnight lows between 37° and 47°. The average high for May is 57° with an average low of 43°. 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 Balloch. See also: June | July | August.