S
M
T
W
T
F
S
26
66°
26°
27
68°
29°
28
67°
38°
29
56°
38°
30
57°
43°
1
50°
40°
2
53°
32°
3
43°
37°
4
55°
32°
5
78°
40°
6
57°
46°
7
56°
38°
8
51°
35°
9
60°
31°
10
60°
43°
11
57°
33°
12
49°
25°
13
61°
29°
14
65°
43°
15
69°
46°
16
77°
41°
17
69°
49°
18
63°
33°
19
70°
51°
20
86°
47°
21
54°
30°
22
62°
26°
23
66°
26°
24
71°
34°
25
57°
47°
26
78°
49°
27
61°
48°
28
51°
43°
29
N/A
30
59°
34°
31
61°
34°
1
65°
41°
2
67°
41°
3
77°
48°
4
74°
51°
5
76°
53°
6
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Portage Lake
Portage Lake's May 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 34° and 53°. The average high for May is 69° with an average low of 44°. 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 Portage Lake. See also: June | July | August.
