S
M
T
W
T
F
S
26
59°
42°
27
68°
47°
28
64°
50°
29
57°
40°
30
56°
37°
1
50°
35°
2
56°
44°
3
65°
48°
4
75°
50°
5
55°
42°
6
52°
39°
7
54°
41°
8
59°
42°
9
64°
46°
10
62°
47°
11
65°
47°
12
66°
49°
13
64°
51°
14
68°
49°
15
69°
48°
16
70°
55°
17
71°
52°
18
65°
51°
19
70°
55°
20
70°
54°
21
68°
45°
22
64°
45°
23
64°
47°
24
66°
46°
25
66°
47°
26
67°
48°
27
66°
48°
28
67°
49°
29
68°
53°
30
69°
58°
31
73°
54°
1
70°
54°
2
73°
58°
3
76°
59°
4
78°
59°
5
78°
60°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hillside
Hillside's May 2026 forecast shows daily high temperatures ranging from 52° to 80°, with overnight lows between 39° and 61°. The average high for May is 67° 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 Hillside. See also: June | July | August.
