S
M
T
W
T
F
S
26
68°
56°
27
69°
51°
28
70°
51°
29
72°
53°
30
72°
55°
31
72°
55°
1
72°
54°
2
70°
54°
3
69°
55°
4
71°
56°
5
72°
54°
6
68°
55°
7
68°
54°
8
69°
53°
9
70°
55°
10
68°
51°
11
68°
51°
12
69°
52°
13
71°
51°
14
69°
53°
15
72°
52°
16
71°
52°
17
72°
51°
18
72°
52°
19
71°
54°
20
72°
55°
21
73°
54°
22
72°
54°
23
71°
53°
24
71°
54°
25
70°
54°
26
71°
53°
27
70°
54°
28
71°
51°
29
66°
52°
30
67°
51°
31
67°
52°
1
66°
51°
2
69°
51°
3
67°
52°
4
68°
52°
5
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Longwick
Longwick's August 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 51° and 56°. The average high for August is 70° with an average low of 53°. 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 Longwick. See also: September | October | November.