S
M
T
W
T
F
S
26
66°
37°
27
66°
30°
28
68°
37°
29
64°
46°
30
59°
37°
1
68°
36°
2
77°
34°
3
81°
39°
4
75°
54°
5
73°
50°
6
66°
45°
7
59°
45°
8
66°
40°
9
72°
45°
10
76°
45°
11
62°
46°
12
50°
37°
13
58°
36°
14
56°
43°
15
57°
43°
16
55°
43°
17
61°
34°
18
68°
34°
19
66°
48°
20
64°
50°
21
70°
48°
22
75°
45°
23
81°
52°
24
82°
57°
25
82°
58°
26
86°
60°
27
84°
55°
28
76°
54°
29
77°
57°
30
80°
59°
31
82°
60°
1
80°
58°
2
70°
52°
3
67°
52°
4
70°
54°
5
63°
44°
6
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Penzberg
Penzberg's May 2026 forecast shows daily high temperatures ranging from 63° to 86°, with overnight lows between 44° and 60°. The average high for May is 76° with an average low of 55°. 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 Penzberg. See also: June | July | August.