S
M
T
W
T
F
S
26
55°
41°
27
67°
36°
28
56°
47°
29
56°
44°
30
45°
33°
1
47°
29°
2
43°
31°
3
57°
27°
4
69°
40°
5
71°
58°
6
55°
38°
7
55°
35°
8
56°
45°
9
63°
48°
10
67°
45°
11
50°
33°
12
51°
43°
13
58°
46°
14
63°
47°
15
69°
48°
16
64°
46°
17
60°
45°
18
64°
45°
19
69°
46°
20
62°
41°
21
63°
42°
22
62°
43°
23
63°
45°
24
64°
42°
25
65°
44°
26
65°
45°
27
66°
43°
28
66°
45°
29
68°
44°
30
71°
48°
31
74°
53°
1
70°
51°
2
71°
48°
3
75°
53°
4
76°
55°
5
76°
55°
6
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brookville
Brookville's May 2026 forecast shows daily high temperatures ranging from 50° to 76°, with overnight lows between 33° and 55°. The average high for May is 65° with an average low of 46°. 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 Brookville. See also: June | July | August.