S
M
T
W
T
F
S
26
83°
66°
27
87°
69°
28
87°
69°
29
86°
70°
30
86°
69°
31
82°
67°
1
84°
69°
2
81°
69°
3
81°
67°
4
82°
68°
5
84°
67°
6
83°
68°
7
83°
67°
8
84°
66°
9
82°
68°
10
80°
68°
11
81°
67°
12
80°
66°
13
79°
65°
14
80°
64°
15
80°
65°
16
81°
62°
17
79°
63°
18
79°
63°
19
80°
64°
20
83°
67°
21
85°
61°
22
80°
59°
23
79°
58°
24
78°
60°
25
79°
61°
26
80°
65°
27
85°
65°
28
80°
66°
29
83°
65°
30
85°
59°
31
78°
57°
1
77°
59°
2
77°
61°
3
78°
58°
4
79°
64°
5
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort Washington
Fort Washington's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 57° and 70°. The average high for August is 82° with an average low of 65°. 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 Fort Washington. See also: September | October | November.
