S
M
T
W
T
F
S
26
86°
65°
27
86°
66°
28
87°
66°
29
88°
65°
30
88°
66°
1
87°
67°
2
86°
67°
3
88°
66°
4
89°
67°
5
89°
67°
6
88°
63°
7
84°
64°
8
84°
65°
9
85°
64°
10
89°
67°
11
89°
68°
12
87°
66°
13
86°
66°
14
85°
67°
15
88°
68°
16
90°
68°
17
90°
69°
18
88°
69°
19
89°
68°
20
89°
69°
21
87°
68°
22
87°
69°
23
86°
68°
24
87°
68°
25
90°
69°
26
90°
70°
27
89°
66°
28
88°
69°
29
88°
68°
30
92°
71°
31
92°
70°
1
91°
71°
2
88°
70°
3
92°
69°
4
92°
69°
5
93°
70°
6
89°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bartow
Bartow's May 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 63° and 71°. The average high for May is 88° with an average low of 68°. 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 Bartow. See also: June | July | August.