S
M
T
W
T
F
S
26
84°
60°
27
87°
54°
28
87°
53°
29
N/A
30
84°
56°
31
89°
57°
1
91°
61°
2
87°
49°
3
65°
45°
4
72°
46°
5
77°
54°
6
82°
57°
7
80°
56°
8
79°
55°
9
80°
53°
10
78°
52°
11
78°
55°
12
79°
53°
13
75°
58°
14
81°
59°
15
83°
58°
16
77°
59°
17
82°
60°
18
83°
59°
19
83°
59°
20
82°
58°
21
81°
58°
22
80°
57°
23
77°
57°
24
80°
56°
25
80°
58°
26
79°
57°
27
80°
58°
28
81°
58°
29
80°
57°
30
79°
56°
31
76°
55°
1
68°
52°
2
67°
55°
3
78°
56°
4
78°
55°
5
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lumsden
Lumsden's August 2026 forecast shows daily high temperatures ranging from 65° to 91°, with overnight lows between 45° and 61°. The average high for August is 79° with an average low of 56°. 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 Lumsden. See also: September | October | November.