S
M
T
W
T
F
S
26
66°
42°
27
64°
41°
28
64°
45°
29
71°
50°
30
72°
52°
1
73°
52°
2
69°
51°
3
67°
46°
4
65°
42°
5
66°
47°
6
73°
54°
7
75°
55°
8
76°
53°
9
70°
47°
10
67°
48°
11
68°
51°
12
69°
50°
13
71°
54°
14
75°
56°
15
78°
57°
16
76°
57°
17
76°
56°
18
74°
51°
19
70°
48°
20
71°
49°
21
76°
58°
22
75°
51°
23
75°
51°
24
76°
54°
25
77°
53°
26
73°
51°
27
74°
52°
28
76°
54°
29
83°
56°
30
83°
52°
31
77°
53°
1
75°
54°
2
76°
53°
3
78°
60°
4
81°
61°
5
83°
61°
6
86°
60°
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 64° to 86°, with overnight lows between 41° and 61°. The average high for May is 74° 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 Brookville. See also: June | July | August.