S
M
T
W
T
F
S
26
63°
38°
27
69°
41°
28
67°
49°
29
51°
41°
30
53°
33°
1
51°
33°
2
49°
33°
3
62°
33°
4
70°
44°
5
60°
47°
6
53°
40°
7
56°
34°
8
61°
38°
9
61°
44°
10
57°
35°
11
55°
34°
12
59°
30°
13
58°
42°
14
59°
40°
15
64°
37°
16
70°
43°
17
81°
49°
18
85°
64°
19
81°
56°
20
56°
42°
21
64°
39°
22
63°
46°
23
49°
47°
24
70°
54°
25
77°
55°
26
79°
57°
27
76°
52°
28
71°
46°
29
68°
46°
30
66°
44°
31
65°
48°
1
67°
49°
2
69°
51°
3
69°
53°
4
72°
52°
5
71°
48°
6
68°
53°
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 49° to 79°, with overnight lows between 44° and 57°. The average high for May is 69° with an average low of 50°. 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.
