S
M
T
W
T
F
S
26
88°
70°
27
89°
70°
28
88°
71°
29
90°
71°
30
90°
70°
31
89°
68°
1
85°
70°
2
89°
70°
3
88°
69°
4
89°
69°
5
90°
70°
6
90°
70°
7
89°
69°
8
85°
66°
9
88°
68°
10
85°
63°
11
85°
66°
12
88°
69°
13
89°
68°
14
90°
69°
15
89°
68°
16
90°
69°
17
89°
62°
18
89°
60°
19
82°
59°
20
81°
59°
21
81°
60°
22
82°
60°
23
82°
61°
24
83°
60°
25
84°
60°
26
86°
61°
27
87°
59°
28
82°
57°
29
81°
58°
30
83°
58°
31
84°
60°
1
86°
59°
2
80°
58°
3
79°
64°
4
85°
63°
5
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dahlgren
Dahlgren's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 57° and 71°. The average high for August is 86° with an average low of 65°. 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 Dahlgren. See also: September | October | November.
