S
M
T
W
T
F
S
26
68°
26°
27
74°
28°
28
66°
29°
29
63°
30°
30
49°
42°
1
56°
37°
2
52°
39°
3
54°
33°
4
62°
41°
5
71°
51°
6
63°
49°
7
61°
41°
8
54°
37°
9
55°
39°
10
56°
44°
11
61°
40°
12
62°
43°
13
61°
42°
14
60°
44°
15
64°
43°
16
62°
41°
17
61°
39°
18
62°
48°
19
62°
48°
20
70°
47°
21
70°
49°
22
69°
46°
23
62°
47°
24
62°
47°
25
64°
44°
26
65°
43°
27
65°
46°
28
63°
48°
29
64°
51°
30
69°
50°
31
67°
46°
1
65°
44°
2
64°
44°
3
65°
45°
4
64°
46°
5
65°
45°
6
66°
49°
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 52° to 71°, with overnight lows between 33° and 51°. The average high for May is 63° with an average low of 44°. 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.