S
M
T
W
T
F
S
26
84°
61°
27
81°
64°
28
67°
60°
29
82°
63°
30
72°
60°
1
65°
54°
2
71°
49°
3
74°
42°
4
79°
50°
5
82°
61°
6
82°
70°
7
78°
54°
8
73°
55°
9
76°
57°
10
82°
61°
11
80°
63°
12
78°
57°
13
78°
57°
14
83°
59°
15
85°
61°
16
82°
59°
17
80°
60°
18
80°
63°
19
83°
63°
20
82°
64°
21
79°
63°
22
81°
57°
23
78°
57°
24
79°
58°
25
80°
60°
26
79°
59°
27
80°
58°
28
81°
60°
29
82°
63°
30
83°
65°
31
82°
66°
1
83°
66°
2
84°
67°
3
83°
67°
4
83°
66°
5
85°
67°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Griffen Mill
Griffen Mill's May 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 42° and 70°. The average high for May is 81° with an average low of 61°. 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 Griffen Mill. See also: June | July | August.