S
M
T
W
T
F
S
26
63°
35°
27
70°
37°
28
69°
48°
29
58°
49°
30
49°
35°
1
48°
30°
2
43°
33°
3
51°
33°
4
60°
36°
5
64°
47°
6
51°
41°
7
47°
36°
8
50°
35°
9
64°
40°
10
52°
40°
11
51°
37°
12
52°
31°
13
49°
40°
14
52°
44°
15
63°
46°
16
70°
48°
17
66°
51°
18
68°
57°
19
77°
60°
20
65°
31°
21
59°
32°
22
66°
39°
23
64°
47°
24
65°
46°
25
64°
47°
26
68°
45°
27
72°
49°
28
73°
50°
29
71°
51°
30
72°
47°
31
74°
57°
1
65°
46°
2
66°
49°
3
65°
49°
4
64°
50°
5
66°
50°
6
71°
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 59° to 77°, with overnight lows between 31° and 60°. The average high for May is 68° 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.
