S
M
T
W
T
F
S
26
84°
66°
27
91°
74°
28
86°
66°
29
66°
59°
30
64°
56°
1
66°
50°
2
77°
44°
3
82°
47°
4
83°
60°
5
88°
58°
6
68°
51°
7
74°
47°
8
78°
58°
9
90°
66°
10
78°
61°
11
79°
56°
12
84°
51°
13
90°
55°
14
92°
62°
15
88°
70°
16
88°
69°
17
88°
74°
18
92°
79°
19
86°
60°
20
80°
61°
21
76°
65°
22
87°
65°
23
85°
64°
24
88°
64°
25
88°
63°
26
89°
63°
27
82°
67°
28
87°
70°
29
90°
73°
30
92°
73°
31
94°
72°
1
91°
70°
2
88°
70°
3
87°
67°
4
83°
69°
5
86°
68°
6
84°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bartonville
Bartonville's May 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 67° and 73°. The average high for May is 88° with an average low of 70°. 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 Bartonville. See also: June | July | August.