S
M
T
W
T
F
S
26
66°
37°
27
57°
45°
28
57°
39°
29
46°
31°
30
42°
20°
1
44°
23°
2
56°
40°
3
60°
42°
4
57°
31°
5
48°
29°
6
45°
29°
7
48°
31°
8
53°
35°
9
54°
34°
10
59°
36°
11
56°
38°
12
56°
39°
13
59°
40°
14
56°
30°
15
59°
40°
16
60°
38°
17
60°
46°
18
61°
47°
19
70°
47°
20
70°
46°
21
65°
44°
22
60°
43°
23
60°
40°
24
61°
39°
25
63°
44°
26
64°
46°
27
63°
48°
28
64°
44°
29
63°
44°
30
71°
45°
31
64°
44°
1
63°
45°
2
64°
43°
3
66°
46°
4
66°
44°
5
67°
43°
6
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harrison
Harrison's May 2026 forecast shows daily high temperatures ranging from 44° to 71°, with overnight lows between 23° and 48°. The average high for May is 60° with an average low of 40°. 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 Harrison. See also: June | July | August.
