S
M
T
W
T
F
S
26
40°
34°
27
41°
34°
28
46°
30°
29
40°
35°
30
38°
34°
1
44°
34°
2
50°
33°
3
46°
33°
4
46°
34°
5
45°
30°
6
49°
35°
7
53°
35°
8
53°
39°
9
56°
37°
10
54°
35°
11
55°
38°
12
54°
37°
13
53°
39°
14
58°
38°
15
53°
35°
16
54°
35°
17
53°
36°
18
53°
38°
19
54°
38°
20
54°
37°
21
55°
38°
22
55°
39°
23
56°
41°
24
56°
38°
25
55°
38°
26
56°
37°
27
57°
37°
28
58°
39°
29
63°
41°
30
62°
43°
31
61°
41°
1
62°
38°
2
62°
42°
3
61°
43°
4
64°
44°
5
65°
42°
6
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Alsworth
Port Alsworth's May 2026 forecast shows daily high temperatures ranging from 44° to 66°, with overnight lows between 30° and 44°. The average high for May is 55° with an average low of 38°. 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 Port Alsworth. See also: June | July | August.
