S
M
T
W
T
F
S
26
58°
43°
27
70°
39°
28
57°
47°
29
57°
51°
30
65°
43°
1
63°
45°
2
58°
42°
3
60°
42°
4
71°
48°
5
81°
59°
6
67°
53°
7
59°
42°
8
60°
41°
9
61°
47°
10
65°
48°
11
63°
50°
12
64°
52°
13
66°
49°
14
67°
51°
15
66°
52°
16
66°
52°
17
67°
53°
18
66°
56°
19
75°
56°
20
74°
55°
21
74°
57°
22
76°
57°
23
77°
56°
24
77°
57°
25
70°
52°
26
68°
57°
27
69°
58°
28
77°
59°
29
75°
59°
30
74°
58°
31
75°
57°
1
71°
53°
2
69°
53°
3
69°
52°
4
71°
52°
5
70°
53°
6
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Penbrook
Penbrook's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 41° and 59°. The average high for May is 69° with an average low of 52°. 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 Penbrook. See also: June | July | August.