S
M
T
W
T
F
S
26
84°
71°
27
87°
72°
28
89°
69°
29
86°
71°
30
86°
67°
31
88°
67°
1
87°
71°
2
83°
74°
3
88°
80°
4
86°
71°
5
90°
78°
6
91°
75°
7
92°
76°
8
93°
76°
9
93°
76°
10
94°
74°
11
90°
73°
12
87°
72°
13
92°
75°
14
88°
78°
15
86°
73°
16
82°
75°
17
91°
70°
18
90°
67°
19
89°
71°
20
88°
67°
21
81°
65°
22
80°
62°
23
81°
63°
24
83°
66°
25
88°
65°
26
90°
67°
27
89°
67°
28
87°
64°
29
83°
64°
30
86°
67°
31
79°
62°
1
80°
62°
2
79°
61°
3
78°
65°
4
79°
62°
5
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fredericksburg
Fredericksburg's August 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 61° and 75°. 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 Fredericksburg. See also: September | October | November.
