S
M
T
W
T
F
S
26
75°
53°
27
78°
61°
28
77°
60°
29
80°
61°
30
82°
55°
31
80°
60°
1
78°
62°
2
80°
62°
3
80°
61°
4
81°
62°
5
82°
61°
6
82°
59°
7
81°
54°
8
76°
55°
9
74°
58°
10
72°
58°
11
73°
56°
12
76°
56°
13
78°
58°
14
76°
53°
15
71°
53°
16
76°
58°
17
74°
55°
18
77°
58°
19
79°
60°
20
78°
59°
21
78°
59°
22
79°
58°
23
Hist. Avg.
73°
53°
24
Hist. Avg.
73°
53°
25
Hist. Avg.
73°
52°
26
Hist. Avg.
73°
52°
27
Hist. Avg.
72°
52°
28
Hist. Avg.
72°
52°
29
Hist. Avg.
72°
52°
30
Hist. Avg.
72°
52°
31
Hist. Avg.
71°
51°
1
Hist. Avg.
71°
51°
2
Hist. Avg.
71°
51°
3
Hist. Avg.
70°
51°
4
Hist. Avg.
70°
50°
5
Hist. Avg.
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Thornbury
Thornbury's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 53° and 62°. The average high for August is 78° with an average low of 58°. 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 Thornbury. See also: September | October | November.
