S
M
T
W
T
F
S
26
90°
72°
27
84°
72°
28
81°
61°
29
82°
57°
30
88°
61°
31
77°
63°
1
73°
60°
2
77°
57°
3
82°
54°
4
83°
59°
5
79°
62°
6
79°
61°
7
79°
68°
8
79°
59°
9
75°
55°
10
81°
63°
11
79°
63°
12
79°
64°
13
73°
63°
14
77°
63°
15
77°
61°
16
82°
64°
17
79°
59°
18
79°
59°
19
77°
54°
20
80°
62°
21
74°
62°
22
76°
57°
23
71°
55°
24
73°
61°
25
78°
65°
26
79°
61°
27
76°
60°
28
76°
63°
29
78°
64°
30
80°
63°
31
77°
65°
1
81°
63°
2
76°
60°
3
70°
57°
4
71°
63°
5
71°
62°
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 70° to 81°, with overnight lows between 55° and 65°. The average high for August is 76° with an average low of 61°. 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.
