S
M
T
W
T
F
S
26
61°
50°
27
70°
48°
28
64°
44°
29
69°
53°
30
71°
47°
1
67°
39°
2
62°
36°
3
66°
38°
4
74°
51°
5
81°
58°
6
79°
59°
7
70°
38°
8
65°
38°
9
64°
39°
10
69°
44°
11
72°
50°
12
70°
48°
13
74°
51°
14
77°
54°
15
78°
50°
16
77°
51°
17
80°
53°
18
80°
55°
19
79°
55°
20
81°
56°
21
80°
55°
22
76°
48°
23
71°
47°
24
72°
49°
25
74°
50°
26
76°
50°
27
73°
49°
28
74°
50°
29
75°
51°
30
75°
55°
31
77°
58°
1
79°
59°
2
77°
58°
3
77°
56°
4
79°
57°
5
82°
59°
6
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grassy Creek
Grassy Creek's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 36° and 60°. The average high for May is 75° with an average low of 51°. 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 Grassy Creek. See also: June | July | August.