S
M
T
W
T
F
S
26
49°
40°
27
64°
38°
28
58°
46°
29
55°
47°
30
47°
36°
1
55°
35°
2
47°
31°
3
52°
41°
4
65°
54°
5
68°
50°
6
56°
41°
7
49°
35°
8
48°
37°
9
54°
43°
10
59°
43°
11
59°
46°
12
61°
48°
13
63°
45°
14
62°
46°
15
65°
50°
16
62°
49°
17
62°
49°
18
64°
52°
19
70°
53°
20
70°
53°
21
73°
52°
22
73°
54°
23
72°
54°
24
71°
52°
25
66°
48°
26
68°
54°
27
71°
55°
28
74°
54°
29
72°
54°
30
70°
52°
31
70°
54°
1
68°
51°
2
67°
50°
3
67°
47°
4
68°
47°
5
67°
48°
6
67°
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 47° to 74°, with overnight lows between 31° and 55°. The average high for May is 64° with an average low of 48°. 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.