S
M
T
W
T
F
S
26
68°
41°
27
71°
52°
28
63°
49°
29
57°
36°
30
58°
33°
1
51°
32°
2
57°
28°
3
70°
42°
4
80°
47°
5
60°
40°
6
55°
38°
7
58°
45°
8
63°
43°
9
69°
48°
10
66°
44°
11
68°
45°
12
64°
47°
13
70°
50°
14
67°
46°
15
71°
52°
16
73°
53°
17
71°
49°
18
69°
53°
19
73°
54°
20
72°
54°
21
69°
45°
22
65°
45°
23
66°
46°
24
67°
46°
25
67°
47°
26
68°
47°
27
67°
48°
28
68°
47°
29
69°
52°
30
70°
58°
31
73°
54°
1
70°
53°
2
75°
58°
3
76°
58°
4
79°
59°
5
78°
60°
6
79°
61°
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 55° to 80°, with overnight lows between 38° and 61°. The average high for May is 69° with an average low of 50°. 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.