S
M
T
W
T
F
S
26
98°
76°
27
99°
74°
28
99°
74°
29
98°
74°
30
92°
76°
31
N/A
1
96°
69°
2
89°
67°
3
94°
69°
4
97°
72°
5
97°
74°
6
96°
73°
7
98°
73°
8
97°
72°
9
96°
73°
10
96°
72°
11
94°
71°
12
97°
72°
13
96°
71°
14
93°
69°
15
88°
66°
16
87°
66°
17
94°
72°
18
94°
71°
19
93°
73°
20
95°
73°
21
95°
72°
22
94°
72°
23
94°
71°
24
93°
72°
25
93°
72°
26
92°
71°
27
93°
72°
28
94°
72°
29
92°
70°
30
93°
71°
31
92°
70°
1
91°
69°
2
92°
70°
3
93°
70°
4
92°
69°
5
92°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lanark
Lanark's August 2026 forecast shows daily high temperatures ranging from 87° to 98°, with overnight lows between 66° and 74°. The average high for August is 94° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Lanark. See also: September | October | November.
