S
M
T
W
T
F
S
26
57°
37°
27
61°
37°
28
59°
39°
29
55°
37°
30
63°
36°
1
70°
41°
2
77°
48°
3
81°
52°
4
72°
57°
5
66°
55°
6
64°
52°
7
52°
45°
8
52°
46°
9
61°
48°
10
70°
45°
11
64°
39°
12
45°
37°
13
55°
43°
14
59°
41°
15
57°
36°
16
57°
39°
17
64°
39°
18
70°
45°
19
68°
46°
20
68°
54°
21
68°
52°
22
75°
54°
23
81°
55°
24
81°
61°
25
79°
52°
26
84°
59°
27
75°
45°
28
72°
44°
29
79°
61°
30
79°
56°
31
79°
57°
1
74°
56°
2
78°
58°
3
73°
55°
4
73°
55°
5
71°
52°
6
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Machern
Machern's May 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 44° and 61°. The average high for May is 76° with an average low of 54°. 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 Machern. See also: June | July | August.