S
M
T
W
T
F
S
26
84°
54°
27
84°
66°
28
81°
63°
29
72°
55°
30
66°
45°
1
66°
45°
2
68°
39°
3
74°
57°
4
83°
60°
5
72°
50°
6
61°
49°
7
65°
47°
8
72°
53°
9
74°
57°
10
75°
59°
11
76°
54°
12
73°
55°
13
78°
56°
14
80°
57°
15
78°
56°
16
79°
57°
17
78°
60°
18
78°
61°
19
79°
62°
20
76°
61°
21
79°
56°
22
74°
54°
23
74°
54°
24
75°
55°
25
73°
55°
26
74°
54°
27
75°
55°
28
76°
57°
29
78°
59°
30
82°
64°
31
80°
65°
1
78°
63°
2
79°
61°
3
79°
61°
4
80°
65°
5
81°
66°
6
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Polk
Polk's May 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 47° and 66°. The average high for May is 76° 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 Polk. See also: June | July | August.