S
M
T
W
T
F
S
26
47°
29°
27
51°
28°
28
58°
32°
29
53°
33°
30
54°
36°
1
50°
41°
2
57°
41°
3
51°
35°
4
58°
33°
5
72°
40°
6
70°
52°
7
56°
39°
8
53°
36°
9
59°
35°
10
62°
44°
11
59°
46°
12
46°
38°
13
59°
38°
14
66°
45°
15
49°
43°
16
72°
43°
17
75°
50°
18
58°
46°
19
68°
47°
20
82°
45°
21
52°
38°
22
51°
33°
23
53°
34°
24
68°
42°
25
60°
47°
26
58°
43°
27
50°
42°
28
46°
40°
29
44°
40°
30
44°
35°
31
48°
35°
1
57°
36°
2
56°
40°
3
60°
39°
4
78°
49°
5
57°
43°
6
62°
51°
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 78°, with overnight lows between 43° and 51°. The average high for May is 66° 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.
