S
M
T
W
T
F
S
26
69°
47°
27
66°
48°
28
64°
45°
29
60°
42°
30
60°
45°
1
63°
48°
2
64°
43°
3
65°
53°
4
71°
54°
5
71°
53°
6
67°
46°
7
69°
51°
8
72°
55°
9
72°
56°
10
75°
56°
11
73°
58°
12
74°
58°
13
76°
55°
14
67°
49°
15
68°
49°
16
72°
57°
17
77°
59°
18
77°
58°
19
75°
49°
20
66°
48°
21
68°
52°
22
69°
56°
23
71°
54°
24
77°
60°
25
80°
61°
26
80°
61°
27
78°
60°
28
71°
61°
29
74°
62°
30
77°
62°
31
76°
58°
1
79°
59°
2
76°
59°
3
76°
57°
4
75°
56°
5
77°
58°
6
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brownsburg
Brownsburg's May 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 42° and 62°. The average high for May is 72° with an average low of 54°. 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 Brownsburg. See also: June | July | August.