S
M
T
W
T
F
S
26
58°
38°
27
56°
35°
28
59°
34°
29
61°
35°
30
50°
36°
1
54°
35°
2
64°
28°
3
68°
36°
4
62°
44°
5
51°
34°
6
40°
29°
7
63°
28°
8
72°
37°
9
73°
36°
10
71°
45°
11
80°
36°
12
82°
42°
13
79°
44°
14
77°
50°
15
78°
45°
16
77°
44°
17
69°
48°
18
60°
41°
19
49°
33°
20
58°
38°
21
66°
38°
22
63°
34°
23
65°
38°
24
71°
45°
25
70°
47°
26
72°
45°
27
65°
41°
28
67°
45°
29
72°
45°
30
73°
46°
31
75°
48°
1
73°
39°
2
71°
42°
3
66°
36°
4
70°
41°
5
73°
42°
6
76°
43°
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 49° to 76°, with overnight lows between 33° and 48°. The average high for May is 68° with an average low of 41°. 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.
