S
M
T
W
T
F
S
26
65°
31°
27
72°
34°
28
69°
38°
29
68°
36°
30
50°
40°
1
55°
37°
2
52°
34°
3
51°
33°
4
62°
46°
5
69°
56°
6
59°
39°
7
55°
34°
8
49°
32°
9
54°
38°
10
56°
39°
11
59°
38°
12
61°
39°
13
59°
40°
14
58°
41°
15
64°
38°
16
63°
36°
17
62°
37°
18
64°
46°
19
65°
46°
20
70°
45°
21
72°
47°
22
68°
42°
23
62°
42°
24
64°
42°
25
65°
39°
26
66°
41°
27
65°
44°
28
64°
45°
29
69°
49°
30
70°
46°
31
71°
42°
1
66°
41°
2
66°
42°
3
67°
42°
4
66°
44°
5
66°
43°
6
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Roxbury
Roxbury's May 2026 forecast shows daily high temperatures ranging from 49° to 72°, with overnight lows between 32° and 56°. The average high for May is 63° with an average low of 41°. 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 Roxbury. See also: June | July | August.