S
M
T
W
T
F
S
26
55°
43°
27
58°
44°
28
52°
43°
29
50°
45°
30
56°
46°
1
65°
47°
2
55°
48°
3
55°
44°
4
71°
50°
5
78°
58°
6
68°
58°
7
64°
47°
8
61°
44°
9
61°
47°
10
64°
44°
11
62°
46°
12
64°
48°
13
62°
48°
14
65°
47°
15
62°
49°
16
66°
50°
17
67°
48°
18
72°
53°
19
72°
53°
20
67°
52°
21
68°
53°
22
68°
53°
23
69°
50°
24
65°
49°
25
67°
50°
26
67°
55°
27
68°
52°
28
68°
50°
29
69°
49°
30
68°
52°
31
69°
56°
1
72°
55°
2
71°
52°
3
70°
56°
4
74°
57°
5
71°
56°
6
71°
58°
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 61° to 78°, with overnight lows between 44° and 58°. The average high for May is 68° 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 Roxbury. See also: June | July | August.