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
58°
45°
6
55°
49°
7
60°
39°
8
57°
38°
9
58°
31°
10
55°
47°
11
61°
45°
12
56°
40°
13
55°
40°
14
64°
46°
15
60°
51°
16
69°
48°
17
80°
52°
18
62°
48°
19
79°
59°
20
85°
46°
21
62°
39°
22
63°
43°
23
62°
43°
24
57°
44°
25
60°
47°
26
61°
46°
27
60°
45°
28
68°
45°
29
68°
49°
30
73°
50°
31
73°
51°
1
70°
48°
2
65°
48°
3
64°
47°
4
65°
51°
5
65°
51°
6
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harrington
Harrington's May 2026 forecast shows daily high temperatures ranging from 57° to 85°, with overnight lows between 39° and 59°. The average high for May is 67° with an average low of 48°. 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 Harrington. See also: June | July | August.
