S
M
T
W
T
F
S
26
86°
67°
27
84°
66°
28
83°
71°
29
86°
67°
30
82°
67°
31
83°
68°
1
82°
67°
2
82°
70°
3
83°
71°
4
84°
70°
5
87°
66°
6
82°
64°
7
82°
68°
8
88°
68°
9
82°
69°
10
86°
70°
11
84°
66°
12
83°
69°
13
86°
70°
14
86°
67°
15
81°
64°
16
80°
63°
17
80°
66°
18
81°
69°
19
81°
70°
20
83°
70°
21
85°
69°
22
86°
68°
23
84°
69°
24
87°
68°
25
87°
67°
26
86°
66°
27
82°
65°
28
81°
63°
29
78°
60°
30
78°
59°
31
76°
59°
1
77°
65°
2
77°
68°
3
78°
67°
4
85°
68°
5
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Washington
Port Washington's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 59° and 71°. The average high for August is 83° with an average low of 67°. 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 Port Washington. See also: September | October | November.
