S
M
T
W
T
F
S
26
92°
61°
27
86°
56°
28
88°
56°
29
91°
57°
30
90°
54°
31
87°
54°
1
87°
56°
2
92°
57°
3
91°
58°
4
95°
55°
5
94°
59°
6
95°
60°
7
96°
58°
8
95°
57°
9
94°
58°
10
93°
54°
11
92°
52°
12
85°
52°
13
82°
53°
14
86°
52°
15
85°
51°
16
86°
52°
17
82°
51°
18
84°
51°
19
82°
53°
20
85°
53°
21
89°
52°
22
87°
51°
23
85°
52°
24
85°
51°
25
84°
50°
26
83°
49°
27
82°
48°
28
83°
49°
29
85°
49°
30
83°
51°
31
86°
54°
1
88°
52°
2
85°
50°
3
82°
50°
4
80°
46°
5
79°
47°
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 79° to 96°, with overnight lows between 46° and 61°. The average high for August is 87° with an average low of 53°. 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.
