S
M
T
W
T
F
S
26
67°
27°
27
74°
29°
28
66°
32°
29
63°
42°
30
50°
43°
1
60°
29°
2
49°
30°
3
53°
32°
4
68°
46°
5
77°
56°
6
68°
52°
7
62°
40°
8
57°
37°
9
57°
40°
10
61°
37°
11
60°
38°
12
62°
39°
13
63°
43°
14
61°
45°
15
59°
44°
16
64°
41°
17
63°
42°
18
70°
47°
19
71°
46°
20
70°
47°
21
70°
47°
22
69°
46°
23
64°
44°
24
62°
42°
25
64°
43°
26
64°
48°
27
65°
44°
28
65°
43°
29
66°
42°
30
66°
45°
31
67°
50°
1
68°
46°
2
67°
43°
3
69°
50°
4
74°
51°
5
69°
51°
6
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Porter
Porter's May 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 37° and 56°. The average high for May is 66° with an average low of 45°. 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 Porter. See also: June | July | August.
