S
M
T
W
T
F
S
26
101°
66°
27
92°
71°
28
89°
65°
29
88°
63°
30
96°
64°
31
91°
60°
1
95°
55°
2
104°
57°
3
103°
60°
4
73°
54°
5
84°
46°
6
98°
53°
7
96°
53°
8
100°
68°
9
97°
67°
10
97°
67°
11
95°
64°
12
93°
60°
13
84°
59°
14
80°
59°
15
75°
57°
16
82°
60°
17
87°
60°
18
83°
59°
19
84°
58°
20
84°
60°
21
89°
55°
22
87°
54°
23
87°
55°
24
87°
55°
25
89°
55°
26
89°
56°
27
87°
54°
28
84°
52°
29
86°
56°
30
83°
53°
31
84°
53°
1
83°
50°
2
83°
52°
3
84°
54°
4
78°
48°
5
79°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Frederick
Frederick's August 2026 forecast shows daily high temperatures ranging from 75° to 100°, with overnight lows between 48° and 68°. The average high for August is 86° with an average low of 57°. 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 Frederick. See also: September | October | November.
