S
M
T
W
T
F
S
26
84°
64°
27
86°
73°
28
84°
68°
29
70°
61°
30
68°
55°
1
68°
54°
2
75°
46°
3
81°
54°
4
80°
61°
5
83°
67°
6
71°
54°
7
67°
48°
8
75°
54°
9
80°
57°
10
79°
60°
11
80°
55°
12
77°
55°
13
83°
57°
14
85°
58°
15
82°
61°
16
81°
59°
17
77°
61°
18
77°
62°
19
78°
63°
20
78°
63°
21
82°
58°
22
78°
56°
23
77°
57°
24
78°
58°
25
78°
58°
26
78°
57°
27
78°
57°
28
79°
58°
29
80°
62°
30
80°
65°
31
79°
66°
1
81°
66°
2
82°
64°
3
82°
66°
4
83°
67°
5
83°
67°
6
81°
66°
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 67° to 85°, with overnight lows between 48° and 67°. The average high for May is 79° with an average low of 60°. 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.
