S
M
T
W
T
F
S
26
63°
44°
27
59°
47°
28
59°
44°
29
66°
42°
30
73°
43°
1
64°
45°
2
61°
48°
3
58°
49°
4
58°
46°
5
56°
44°
6
57°
42°
7
58°
41°
8
59°
46°
9
60°
46°
10
55°
42°
11
54°
41°
12
55°
41°
13
55°
45°
14
54°
43°
15
54°
44°
16
52°
41°
17
57°
46°
18
58°
50°
19
57°
50°
20
59°
53°
21
59°
54°
22
65°
55°
23
64°
49°
24
72°
53°
25
70°
53°
26
71°
52°
27
69°
52°
28
66°
51°
29
65°
49°
30
63°
48°
31
59°
44°
1
59°
42°
2
60°
42°
3
61°
46°
4
60°
47°
5
61°
46°
6
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in High Harrington
High Harrington's May 2026 forecast shows daily high temperatures ranging from 57° to 72°, with overnight lows between 42° and 55°. The average high for May is 63° with an average low of 49°. 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 High Harrington. See also: June | July | August.