S
M
T
W
T
F
S
26
54°
37°
27
54°
37°
28
55°
36°
29
54°
34°
30
57°
35°
1
57°
41°
2
66°
39°
3
60°
37°
4
56°
35°
5
57°
33°
6
59°
35°
7
58°
37°
8
57°
38°
9
58°
36°
10
58°
35°
11
62°
39°
12
61°
39°
13
61°
36°
14
62°
38°
15
61°
37°
16
61°
37°
17
63°
47°
18
68°
47°
19
64°
46°
20
65°
42°
21
68°
45°
22
67°
39°
23
66°
41°
24
70°
41°
25
69°
45°
26
74°
49°
27
75°
48°
28
76°
50°
29
76°
50°
30
75°
49°
31
69°
50°
1
68°
50°
2
69°
51°
3
69°
47°
4
76°
45°
5
77°
53°
6
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hartland
Hartland's May 2026 forecast shows daily high temperatures ranging from 54° to 78°, with overnight lows between 33° and 54°. The average high for May is 65° with an average low of 42°. 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 Hartland. See also: June | July | August.
