S
M
T
W
T
F
S
26
63°
44°
27
62°
43°
28
64°
44°
29
63°
43°
30
64°
44°
1
67°
46°
2
65°
43°
3
64°
46°
4
64°
44°
5
65°
42°
6
67°
52°
7
76°
52°
8
70°
47°
9
66°
51°
10
68°
46°
11
65°
44°
12
65°
43°
13
66°
45°
14
68°
47°
15
68°
50°
16
69°
49°
17
72°
56°
18
74°
47°
19
69°
47°
20
70°
48°
21
72°
58°
22
76°
59°
23
77°
59°
24
79°
58°
25
77°
60°
26
82°
60°
27
82°
56°
28
74°
52°
29
84°
60°
30
85°
55°
31
82°
54°
1
81°
53°
2
79°
54°
3
77°
59°
4
82°
59°
5
76°
60°
6
77°
61°
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 62° to 85°, with overnight lows between 42° and 61°. The average high for May is 72° with an average low of 51°. 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.