S
M
T
W
T
F
S
26
32°
23°
27
47°
19°
28
58°
25°
29
61°
28°
30
69°
32°
1
75°
40°
2
67°
47°
3
74°
42°
4
55°
39°
5
51°
33°
6
72°
27°
7
72°
45°
8
75°
42°
9
69°
47°
10
78°
46°
11
68°
45°
12
78°
37°
13
74°
51°
14
67°
51°
15
62°
45°
16
57°
39°
17
48°
35°
18
57°
34°
19
66°
39°
20
53°
42°
21
63°
43°
22
69°
40°
23
73°
41°
24
79°
53°
25
86°
49°
26
89°
54°
27
84°
61°
28
87°
57°
29
86°
57°
30
67°
46°
31
49°
45°
1
49°
44°
2
53°
42°
3
63°
48°
4
66°
45°
5
77°
50°
6
76°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lomond
Lomond's May 2026 forecast shows daily high temperatures ranging from 49° to 86°, with overnight lows between 42° and 57°. The average high for May is 65° with an average low of 47°. 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 Lomond. See also: June | July | August.