S
M
T
W
T
F
S
26
59°
39°
27
63°
41°
28
52°
39°
29
55°
34°
30
59°
34°
1
61°
34°
2
61°
46°
3
48°
45°
4
59°
41°
5
52°
39°
6
54°
37°
7
N/A
8
58°
42°
9
53°
35°
10
55°
37°
11
57°
45°
12
56°
41°
13
54°
36°
14
54°
37°
15
55°
43°
16
54°
42°
17
55°
41°
18
56°
44°
19
55°
43°
20
57°
44°
21
55°
44°
22
55°
44°
23
56°
47°
24
56°
46°
25
57°
44°
26
58°
47°
27
59°
44°
28
56°
42°
29
56°
48°
30
58°
48°
31
58°
46°
1
59°
48°
2
61°
47°
3
61°
48°
4
62°
49°
5
62°
49°
6
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Harthill
Harthill's May 2026 forecast shows daily high temperatures ranging from 53° to 63°, with overnight lows between 35° and 49°. The average high for May is 57° 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 Harthill. See also: June | July | August.
