S
M
T
W
T
F
S
26
54°
40°
27
66°
40°
28
64°
41°
29
62°
45°
30
58°
46°
1
64°
42°
2
59°
46°
3
58°
42°
4
71°
48°
5
77°
51°
6
66°
53°
7
62°
46°
8
60°
43°
9
64°
48°
10
68°
50°
11
60°
47°
12
65°
40°
13
68°
46°
14
65°
50°
15
64°
53°
16
75°
62°
17
83°
60°
18
77°
61°
19
91°
66°
20
87°
53°
21
73°
50°
22
69°
51°
23
70°
53°
24
75°
54°
25
77°
57°
26
79°
60°
27
80°
52°
28
69°
50°
29
70°
52°
30
71°
58°
31
78°
55°
1
71°
53°
2
72°
52°
3
71°
52°
4
72°
51°
5
73°
58°
6
78°
60°
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 64° to 91°, with overnight lows between 50° and 66°. The average high for May is 75° with an average low of 55°. 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.
