S
M
T
W
T
F
S
26
57°
42°
27
68°
45°
28
65°
49°
29
62°
48°
30
60°
47°
1
65°
49°
2
58°
44°
3
60°
49°
4
68°
55°
5
75°
56°
6
70°
53°
7
63°
48°
8
59°
46°
9
61°
52°
10
63°
54°
11
64°
53°
12
62°
54°
13
62°
53°
14
63°
54°
15
66°
56°
16
67°
56°
17
67°
53°
18
68°
59°
19
74°
60°
20
72°
60°
21
69°
59°
22
75°
56°
23
68°
57°
24
70°
57°
25
69°
54°
26
69°
57°
27
68°
59°
28
70°
63°
29
76°
62°
30
75°
61°
31
75°
60°
1
72°
56°
2
68°
56°
3
69°
57°
4
71°
56°
5
70°
57°
6
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Astoria
Astoria's May 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 44° and 63°. The average high for May is 68° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Astoria. See also: June | July | August.
