S
M
T
W
T
F
S
26
74°
53°
27
82°
62°
28
78°
56°
29
72°
45°
30
67°
45°
1
62°
44°
2
60°
41°
3
63°
43°
4
68°
51°
5
73°
53°
6
71°
54°
7
70°
50°
8
66°
44°
9
67°
47°
10
67°
45°
11
68°
52°
12
72°
57°
13
77°
56°
14
72°
52°
15
68°
48°
16
67°
47°
17
67°
47°
18
69°
52°
19
68°
51°
20
69°
50°
21
70°
49°
22
71°
50°
23
72°
56°
24
74°
58°
25
73°
54°
26
71°
51°
27
72°
54°
28
73°
60°
29
72°
60°
30
74°
59°
31
74°
60°
1
73°
61°
2
74°
59°
3
75°
57°
4
79°
61°
5
84°
59°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Deer Park
Deer Park's May 2026 forecast shows daily high temperatures ranging from 60° to 84°, with overnight lows between 41° and 62°. The average high for May is 71° with an average low of 53°. 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 Deer Park. See also: June | July | August.