S
M
T
W
T
F
S
26
74°
54°
27
72°
55°
28
71°
52°
29
71°
55°
30
69°
54°
1
69°
55°
2
66°
53°
3
66°
51°
4
65°
51°
5
66°
54°
6
67°
53°
7
70°
51°
8
68°
51°
9
68°
54°
10
69°
51°
11
69°
50°
12
68°
52°
13
69°
53°
14
71°
56°
15
71°
53°
16
74°
57°
17
74°
57°
18
73°
56°
19
72°
56°
20
72°
57°
21
72°
56°
22
76°
58°
23
78°
58°
24
80°
61°
25
81°
62°
26
82°
62°
27
82°
61°
28
81°
62°
29
77°
63°
30
80°
58°
31
77°
57°
1
79°
62°
2
82°
59°
3
78°
59°
4
82°
60°
5
83°
63°
6
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Petrich
Petrich's May 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 50° and 63°. The average high for May is 74° with an average low of 56°. 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 Petrich. See also: June | July | August.