S
M
T
W
T
F
S
26
87°
64°
27
85°
65°
28
87°
62°
29
86°
65°
30
89°
65°
31
88°
64°
1
87°
65°
2
86°
62°
3
84°
57°
4
80°
56°
5
80°
56°
6
81°
58°
7
83°
57°
8
87°
62°
9
87°
63°
10
86°
61°
11
86°
60°
12
81°
59°
13
84°
64°
14
Hist. Avg.
83°
61°
15
Hist. Avg.
83°
61°
16
Hist. Avg.
83°
60°
17
Hist. Avg.
82°
60°
18
Hist. Avg.
82°
60°
19
Hist. Avg.
82°
60°
20
Hist. Avg.
82°
60°
21
Hist. Avg.
82°
60°
22
Hist. Avg.
82°
60°
23
Hist. Avg.
82°
59°
24
Hist. Avg.
82°
59°
25
Hist. Avg.
82°
59°
26
Hist. Avg.
81°
59°
27
Hist. Avg.
81°
58°
28
Hist. Avg.
81°
58°
29
Hist. Avg.
81°
58°
30
Hist. Avg.
81°
58°
31
Hist. Avg.
80°
58°
1
Hist. Avg.
80°
57°
2
Hist. Avg.
80°
57°
3
Hist. Avg.
80°
57°
4
Hist. Avg.
80°
57°
5
Hist. Avg.
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Dennison
Dennison's August 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 56° and 65°. The average high for August is 85° with an average low of 61°. 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 Dennison. See also: September | October | November.
