S
M
T
W
T
F
S
26
74°
42°
27
74°
55°
28
64°
49°
29
58°
39°
30
59°
37°
1
55°
37°
2
60°
29°
3
75°
42°
4
82°
42°
5
59°
45°
6
56°
32°
7
65°
30°
8
72°
39°
9
74°
49°
10
68°
37°
11
67°
41°
12
77°
44°
13
69°
42°
14
76°
39°
15
80°
62°
16
85°
61°
17
84°
67°
18
78°
63°
19
71°
47°
20
64°
44°
21
68°
47°
22
74°
52°
23
78°
55°
24
76°
54°
25
77°
56°
26
75°
57°
27
79°
58°
28
76°
52°
29
72°
54°
30
70°
52°
31
71°
50°
1
72°
49°
2
71°
48°
3
72°
53°
4
74°
59°
5
82°
60°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lanark
Lanark's May 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 44° and 67°. The average high for May is 75° with an average low of 55°. 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 Lanark. See also: June | July | August.
