S
M
T
W
T
F
S
26
64°
58°
27
66°
58°
28
72°
58°
29
74°
56°
30
75°
57°
31
82°
58°
1
73°
59°
2
70°
54°
3
78°
54°
4
73°
58°
5
78°
60°
6
79°
60°
7
79°
62°
8
78°
62°
9
71°
57°
10
73°
57°
11
73°
58°
12
74°
59°
13
79°
61°
14
80°
62°
15
78°
60°
16
77°
59°
17
73°
58°
18
74°
58°
19
72°
58°
20
73°
59°
21
72°
58°
22
71°
55°
23
69°
56°
24
75°
58°
25
76°
58°
26
74°
57°
27
74°
57°
28
70°
56°
29
70°
56°
30
67°
55°
31
69°
56°
1
67°
57°
2
67°
56°
3
70°
56°
4
73°
55°
5
74°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lynn Valley
Lynn Valley's August 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 55° and 62°. The average high for August is 73° with an average low of 57°. 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 Lynn Valley. See also: September | October | November.