S
M
T
W
T
F
S
26
79°
61°
27
81°
61°
28
82°
60°
29
81°
62°
30
82°
61°
31
82°
61°
1
80°
60°
2
76°
58°
3
75°
59°
4
77°
60°
5
78°
60°
6
79°
59°
7
81°
60°
8
82°
61°
9
82°
61°
10
81°
60°
11
82°
60°
12
81°
59°
13
82°
61°
14
85°
59°
15
84°
59°
16
79°
60°
17
82°
59°
18
82°
59°
19
81°
54°
20
80°
50°
21
72°
49°
22
72°
50°
23
73°
51°
24
75°
51°
25
73°
49°
26
72°
54°
27
72°
51°
28
73°
49°
29
71°
48°
30
72°
48°
31
71°
48°
1
70°
50°
2
71°
50°
3
71°
52°
4
70°
50°
5
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Keswick
Keswick's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 48° and 62°. The average high for August is 77° 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 Keswick. See also: September | October | November.