S
M
T
W
T
F
S
26
58°
28°
27
63°
26°
28
62°
25°
29
55°
36°
30
58°
37°
1
54°
43°
2
60°
38°
3
48°
33°
4
56°
33°
5
73°
55°
6
72°
55°
7
61°
42°
8
57°
38°
9
61°
45°
10
62°
47°
11
60°
43°
12
57°
42°
13
56°
41°
14
58°
45°
15
63°
39°
16
64°
40°
17
63°
41°
18
64°
40°
19
67°
44°
20
65°
43°
21
66°
45°
22
67°
46°
23
65°
46°
24
66°
45°
25
65°
46°
26
64°
46°
27
67°
45°
28
67°
46°
29
65°
45°
30
64°
46°
31
65°
47°
1
64°
47°
2
68°
46°
3
65°
48°
4
69°
48°
5
65°
47°
6
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hart Lake
Hart Lake's May 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 38° and 55°. The average high for May is 64° 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 Hart Lake. See also: June | July | August.
