S
M
T
W
T
F
S
26
60°
42°
27
59°
38°
28
61°
43°
29
62°
41°
30
67°
39°
1
62°
39°
2
61°
40°
3
60°
41°
4
63°
43°
5
62°
41°
6
61°
41°
7
62°
42°
8
68°
42°
9
64°
43°
10
63°
42°
11
63°
42°
12
64°
44°
13
74°
53°
14
73°
52°
15
72°
52°
16
76°
53°
17
70°
48°
18
69°
46°
19
69°
47°
20
74°
54°
21
75°
48°
22
68°
46°
23
68°
47°
24
70°
48°
25
71°
49°
26
77°
56°
27
79°
56°
28
81°
50°
29
73°
50°
30
74°
52°
31
72°
57°
1
78°
50°
2
74°
50°
3
73°
48°
4
72°
51°
5
74°
52°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lower Macungie Township
Lower Macungie Township's May 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 38° and 59°. The average high for May is 69° with an average low of 47°. 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 Lower Macungie Township. See also: June | July | August.