S
M
T
W
T
F
S
26
65°
37°
27
72°
38°
28
74°
42°
29
61°
53°
30
53°
40°
1
53°
37°
2
51°
39°
3
56°
38°
4
66°
45°
5
72°
49°
6
49°
42°
7
53°
42°
8
54°
41°
9
64°
32°
10
60°
45°
11
54°
40°
12
57°
40°
13
50°
44°
14
56°
46°
15
66°
51°
16
74°
51°
17
73°
56°
18
71°
48°
19
82°
57°
20
76°
47°
21
60°
41°
22
67°
35°
23
69°
42°
24
57°
51°
25
68°
53°
26
82°
55°
27
73°
56°
28
67°
53°
29
59°
43°
30
65°
48°
31
64°
46°
1
67°
48°
2
72°
48°
3
73°
52°
4
77°
54°
5
74°
57°
6
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brownsburg-Chatham
Brownsburg-Chatham's May 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 43° and 57°. The average high for May is 69° 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 Brownsburg-Chatham. See also: June | July | August.
