S
M
T
W
T
F
S
26
77°
49°
27
63°
57°
28
64°
53°
29
63°
43°
30
62°
40°
1
56°
43°
2
57°
41°
3
66°
43°
4
74°
54°
5
62°
44°
6
60°
41°
7
63°
38°
8
68°
49°
9
74°
48°
10
69°
48°
11
72°
43°
12
78°
45°
13
70°
47°
14
69°
41°
15
75°
50°
16
75°
64°
17
83°
65°
18
76°
63°
19
81°
61°
20
69°
52°
21
68°
49°
22
67°
54°
23
73°
58°
24
78°
58°
25
81°
53°
26
78°
61°
27
83°
61°
28
84°
56°
29
78°
59°
30
80°
56°
31
76°
54°
1
80°
56°
2
79°
54°
3
78°
56°
4
77°
58°
5
83°
63°
6
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Arcola
Arcola's May 2026 forecast shows daily high temperatures ranging from 76° to 84°, with overnight lows between 54° and 65°. The average high for May is 80° with an average low of 58°. 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 Arcola. See also: June | July | August.
