S
M
T
W
T
F
S
26
78°
54°
27
81°
54°
28
89°
62°
29
88°
65°
30
80°
62°
1
93°
65°
2
95°
67°
3
95°
66°
4
88°
59°
5
92°
61°
6
96°
65°
7
96°
64°
8
94°
62°
9
93°
62°
10
97°
67°
11
97°
68°
12
96°
68°
13
96°
67°
14
97°
68°
15
98°
69°
16
99°
70°
17
99°
70°
18
98°
69°
19
96°
69°
20
95°
68°
21
91°
67°
22
90°
66°
23
92°
70°
24
99°
71°
25
101°
72°
26
100°
73°
27
102°
73°
28
102°
72°
29
103°
73°
30
100°
72°
31
97°
72°
1
99°
73°
2
100°
73°
3
101°
71°
4
98°
67°
5
96°
69°
6
96°
67°
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 78° to 103°, with overnight lows between 54° and 73°. The average high for May is 95° with an average low of 67°. 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.