S
M
T
W
T
F
S
26
68°
48°
27
61°
41°
28
69°
46°
29
68°
53°
30
60°
43°
1
62°
40°
2
53°
39°
3
57°
35°
4
69°
42°
5
68°
50°
6
71°
54°
7
63°
46°
8
62°
38°
9
69°
47°
10
73°
46°
11
60°
44°
12
63°
34°
13
69°
46°
14
54°
42°
15
69°
39°
16
78°
47°
17
80°
54°
18
81°
60°
19
83°
60°
20
81°
57°
21
71°
57°
22
60°
51°
23
59°
51°
24
65°
54°
25
75°
61°
26
74°
62°
27
78°
62°
28
76°
59°
29
74°
53°
30
74°
57°
31
69°
52°
1
72°
56°
2
64°
46°
3
69°
40°
4
76°
47°
5
78°
53°
6
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grayson Highlands State Park
Grayson Highlands State Park's May 2026 forecast shows daily high temperatures ranging from 77° to 77°, with overnight lows between 58° and 58°. The average high for May is 77° with an average low of 58°. 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 Grayson Highlands State Park. See also: June | July | August.
