S
M
T
W
T
F
S
26
61°
31°
27
63°
34°
28
57°
32°
29
44°
39°
30
46°
41°
1
59°
36°
2
50°
30°
3
45°
39°
4
59°
36°
5
64°
50°
6
56°
47°
7
62°
38°
8
58°
36°
9
54°
45°
10
60°
47°
11
61°
41°
12
58°
38°
13
53°
42°
14
57°
42°
15
58°
45°
16
59°
42°
17
62°
44°
18
61°
43°
19
68°
47°
20
67°
46°
21
62°
48°
22
66°
49°
23
63°
48°
24
64°
47°
25
62°
48°
26
62°
47°
27
63°
49°
28
64°
47°
29
63°
45°
30
64°
47°
31
66°
50°
1
65°
48°
2
66°
45°
3
66°
51°
4
71°
51°
5
65°
49°
6
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Harrington
West Harrington's May 2026 forecast shows daily high temperatures ranging from 53° to 71°, with overnight lows between 36° and 52°. The average high for May is 62° with an average low of 46°. 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 West Harrington. See also: June | July | August.