S
M
T
W
T
F
S
26
85°
64°
27
83°
68°
28
79°
69°
29
80°
69°
30
74°
66°
31
85°
67°
1
86°
72°
2
83°
75°
3
80°
71°
4
84°
66°
5
83°
70°
6
88°
75°
7
91°
72°
8
87°
71°
9
88°
75°
10
85°
72°
11
90°
73°
12
88°
72°
13
89°
74°
14
90°
67°
15
84°
70°
16
81°
70°
17
83°
68°
18
82°
70°
19
83°
69°
20
83°
72°
21
82°
68°
22
82°
69°
23
80°
69°
24
82°
68°
25
83°
68°
26
85°
69°
27
86°
72°
28
86°
70°
29
84°
64°
30
77°
64°
31
77°
65°
1
78°
66°
2
77°
66°
3
77°
64°
4
78°
69°
5
77°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Astoria
Astoria's August 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 64° and 74°. The average high for August is 82° 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 Astoria. See also: September | October | November.
