S
M
T
W
T
F
S
26
49°
37°
27
63°
39°
28
63°
48°
29
48°
40°
30
44°
38°
1
43°
31°
2
47°
34°
3
63°
34°
4
75°
47°
5
56°
42°
6
43°
37°
7
47°
32°
8
62°
33°
9
65°
43°
10
53°
39°
11
45°
39°
12
54°
30°
13
55°
43°
14
54°
41°
15
70°
41°
16
81°
53°
17
54°
47°
18
88°
46°
19
82°
46°
20
51°
43°
21
45°
40°
22
54°
43°
23
53°
45°
24
52°
44°
25
81°
48°
26
83°
52°
27
59°
47°
28
57°
46°
29
64°
48°
30
56°
46°
31
65°
47°
1
67°
50°
2
66°
49°
3
69°
52°
4
70°
56°
5
73°
57°
6
71°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Austin
Port Austin's May 2026 forecast shows daily high temperatures ranging from 56° to 83°, with overnight lows between 46° and 58°. The average high for May is 67° with an average low of 51°. 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 Austin. See also: June | July | August.
