S
M
T
W
T
F
S
26
37°
25°
27
46°
28°
28
53°
27°
29
55°
31°
30
58°
28°
1
67°
26°
2
71°
31°
3
73°
35°
4
57°
36°
5
50°
26°
6
67°
20°
7
68°
41°
8
69°
34°
9
65°
35°
10
78°
33°
11
78°
50°
12
80°
37°
13
92°
42°
14
69°
40°
15
67°
41°
16
55°
32°
17
46°
28°
18
51°
30°
19
60°
37°
20
60°
37°
21
60°
39°
22
69°
45°
23
75°
48°
24
78°
47°
25
79°
49°
26
73°
49°
27
73°
47°
28
76°
50°
29
77°
51°
30
68°
44°
31
62°
39°
1
64°
46°
2
65°
44°
3
71°
50°
4
73°
49°
5
69°
49°
6
64°
48°
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 46° to 79°, with overnight lows between 28° and 51°. The average high for May is 67° with an average low of 44°. 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.
