S
M
T
W
T
F
S
26
84°
67°
27
84°
62°
28
82°
66°
29
82°
66°
30
84°
73°
1
79°
61°
2
73°
58°
3
77°
57°
4
77°
56°
5
81°
57°
6
82°
71°
7
83°
74°
8
82°
69°
9
77°
66°
10
83°
68°
11
86°
69°
12
75°
67°
13
83°
64°
14
85°
68°
15
82°
64°
16
83°
62°
17
84°
70°
18
87°
71°
19
86°
70°
20
85°
73°
21
84°
73°
22
86°
73°
23
85°
72°
24
85°
75°
25
87°
73°
26
87°
75°
27
83°
74°
28
83°
73°
29
83°
74°
30
85°
74°
31
83°
72°
1
85°
71°
2
86°
69°
3
84°
70°
4
84°
70°
5
81°
71°
6
86°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Parker
Parker's May 2026 forecast shows daily high temperatures ranging from 81° to 87°, with overnight lows between 69° and 75°. The average high for May is 84° with an average low of 72°. 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 Parker. See also: June | July | August.