S
M
T
W
T
F
S
26
84°
66°
27
90°
68°
28
90°
71°
29
88°
68°
30
88°
69°
31
89°
69°
1
91°
68°
2
85°
76°
3
88°
75°
4
89°
74°
5
91°
75°
6
90°
75°
7
94°
73°
8
93°
74°
9
95°
75°
10
94°
71°
11
89°
71°
12
88°
73°
13
93°
73°
14
87°
77°
15
89°
74°
16
85°
76°
17
96°
74°
18
90°
72°
19
92°
67°
20
95°
69°
21
85°
65°
22
85°
68°
23
88°
66°
24
87°
61°
25
81°
65°
26
86°
71°
27
87°
70°
28
82°
70°
29
83°
66°
30
85°
69°
31
90°
69°
1
82°
64°
2
82°
63°
3
81°
64°
4
84°
63°
5
82°
62°
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 81° to 90°, with overnight lows between 62° and 71°. The average high for August is 84° with an average low of 66°. 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.
