S
M
T
W
T
F
S
26
85°
69°
27
90°
72°
28
91°
69°
29
85°
70°
30
86°
72°
31
88°
71°
1
88°
74°
2
81°
74°
3
87°
74°
4
84°
74°
5
87°
72°
6
89°
71°
7
91°
70°
8
92°
69°
9
91°
71°
10
90°
69°
11
86°
70°
12
84°
66°
13
86°
69°
14
84°
68°
15
86°
66°
16
82°
65°
17
90°
72°
18
89°
70°
19
89°
71°
20
90°
70°
21
88°
69°
22
88°
70°
23
90°
71°
24
91°
71°
25
90°
70°
26
87°
70°
27
84°
69°
28
86°
70°
29
85°
68°
30
86°
69°
31
86°
69°
1
87°
67°
2
80°
62°
3
79°
63°
4
79°
63°
5
80°
61°
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 79° to 92°, with overnight lows between 61° and 74°. The average high for August is 86° with an average low of 69°. 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.
