S
M
T
W
T
F
S
26
51°
38°
27
56°
40°
28
50°
41°
29
52°
38°
30
55°
41°
1
52°
37°
2
51°
38°
3
55°
41°
4
54°
40°
5
60°
42°
6
56°
42°
7
57°
40°
8
60°
38°
9
58°
40°
10
58°
47°
11
67°
45°
12
59°
42°
13
60°
47°
14
69°
47°
15
61°
42°
16
62°
42°
17
61°
46°
18
67°
49°
19
70°
45°
20
68°
40°
21
60°
40°
22
62°
45°
23
62°
42°
24
66°
49°
25
71°
52°
26
72°
51°
27
63°
49°
28
64°
51°
29
65°
50°
30
65°
49°
31
64°
52°
1
74°
53°
2
73°
52°
3
73°
54°
4
74°
53°
5
73°
51°
6
75°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Promised Land State Park
Promised Land State Park's May 2026 forecast shows daily high temperatures ranging from 50° to 75°, with overnight lows between 37° and 54°. The average high for May is 63° with an average low of 45°. 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 Promised Land State Park. See also: June | July | August.