S
M
T
W
T
F
S
26
70°
31°
27
58°
48°
28
55°
42°
29
72°
40°
30
78°
38°
1
75°
45°
2
79°
49°
3
86°
43°
4
72°
44°
5
68°
52°
6
58°
50°
7
67°
47°
8
62°
45°
9
72°
39°
10
68°
48°
11
75°
45°
12
81°
40°
13
58°
49°
14
59°
46°
15
51°
41°
16
59°
37°
17
64°
35°
18
65°
45°
19
63°
48°
20
69°
47°
21
77°
49°
22
75°
48°
23
69°
46°
24
67°
48°
25
60°
44°
26
63°
45°
27
66°
45°
28
64°
46°
29
64°
45°
30
67°
49°
31
68°
48°
1
70°
51°
2
73°
53°
3
73°
52°
4
71°
52°
5
69°
48°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Twanoh State Park
Twanoh State Park's May 2026 forecast shows daily high temperatures ranging from 60° to 77°, with overnight lows between 44° and 53°. The average high for May is 68° with an average low of 48°. 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 Twanoh State Park. See also: June | July | August.