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
85°
72°
12
84°
71°
13
85°
70°
14
84°
71°
15
83°
68°
16
80°
67°
17
81°
68°
18
86°
72°
19
85°
69°
20
84°
63°
21
79°
63°
22
77°
67°
23
80°
68°
24
79°
65°
25
78°
63°
26
81°
64°
27
77°
68°
28
84°
65°
29
81°
69°
30
85°
72°
31
88°
72°
1
85°
72°
2
87°
70°
3
87°
69°
4
79°
65°
5
77°
67°
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 88°, with overnight lows between 65° and 72°. The average high for August is 84° 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.
