S
M
T
W
T
F
S
26
85°
62°
27
89°
67°
28
89°
71°
29
87°
67°
30
88°
66°
31
90°
66°
1
92°
65°
2
84°
74°
3
88°
72°
4
89°
71°
5
89°
75°
6
92°
72°
7
91°
71°
8
93°
71°
9
93°
69°
10
95°
70°
11
92°
70°
12
84°
67°
13
82°
66°
14
84°
67°
15
80°
63°
16
82°
64°
17
82°
65°
18
81°
63°
19
83°
65°
20
85°
68°
21
85°
67°
22
84°
68°
23
86°
69°
24
87°
69°
25
86°
68°
26
84°
68°
27
80°
67°
28
83°
68°
29
83°
66°
30
82°
67°
31
82°
66°
1
84°
65°
2
76°
59°
3
75°
60°
4
75°
61°
5
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Annandale
Annandale's August 2026 forecast shows daily high temperatures ranging from 75° to 95°, with overnight lows between 58° and 72°. 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 Annandale. See also: September | October | November.
