S
M
T
W
T
F
S
26
94°
66°
27
86°
65°
28
84°
60°
29
91°
59°
30
90°
70°
31
75°
65°
1
83°
56°
2
81°
58°
3
84°
65°
4
79°
50°
5
78°
52°
6
80°
60°
7
82°
57°
8
80°
58°
9
78°
56°
10
80°
55°
11
80°
56°
12
78°
57°
13
78°
57°
14
79°
56°
15
74°
60°
16
81°
60°
17
80°
62°
18
83°
61°
19
79°
60°
20
81°
60°
21
82°
62°
22
83°
62°
23
82°
60°
24
81°
61°
25
79°
60°
26
73°
59°
27
71°
59°
28
77°
58°
29
80°
59°
30
81°
61°
31
81°
60°
1
80°
59°
2
80°
60°
3
81°
61°
4
82°
60°
5
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Danbury
Danbury's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 50° and 65°. The average high for August is 80° with an average low of 59°. 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 Danbury. See also: September | October | November.