S
M
T
W
T
F
S
26
65°
52°
27
65°
51°
28
68°
50°
29
67°
46°
30
68°
48°
1
71°
51°
2
71°
58°
3
79°
56°
4
67°
50°
5
68°
47°
6
67°
56°
7
67°
53°
8
67°
50°
9
69°
49°
10
61°
50°
11
64°
50°
12
65°
58°
13
63°
52°
14
70°
50°
15
70°
54°
16
66°
54°
17
73°
52°
18
66°
60°
19
64°
62°
20
68°
62°
21
68°
58°
22
71°
56°
23
72°
55°
24
60°
52°
25
68°
56°
26
71°
55°
27
72°
49°
28
65°
47°
29
68°
44°
30
74°
43°
31
75°
48°
1
76°
45°
2
64°
43°
3
59°
45°
4
61°
31°
5
64°
35°
6
70°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Greyton
Greyton's May 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 31° and 48°. The average high for May is 68° with an average low of 42°. 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 Greyton. See also: June | July | August.