S
M
T
W
T
F
S
26
62°
49°
27
57°
47°
28
57°
42°
29
62°
46°
30
62°
48°
1
60°
47°
2
61°
48°
3
64°
49°
4
61°
50°
5
61°
48°
6
59°
46°
7
58°
49°
8
61°
48°
9
61°
46°
10
56°
45°
11
56°
44°
12
57°
45°
13
63°
48°
14
64°
49°
15
64°
49°
16
63°
47°
17
56°
43°
18
63°
47°
19
57°
44°
20
57°
48°
21
58°
47°
22
56°
44°
23
57°
47°
24
64°
49°
25
65°
48°
26
61°
45°
27
58°
46°
28
57°
44°
29
59°
45°
30
57°
45°
31
57°
44°
1
58°
45°
2
65°
48°
3
66°
49°
4
62°
52°
5
59°
47°
6
59°
51°
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 56° to 66°, with overnight lows between 42° and 52°. The average high for May is 60° with an average low of 47°. 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.
