S
M
T
W
T
F
S
26
59°
40°
27
62°
41°
28
55°
39°
29
61°
35°
30
55°
35°
1
59°
38°
2
56°
39°
3
57°
39°
4
56°
37°
5
56°
37°
6
59°
44°
7
67°
41°
8
59°
39°
9
59°
39°
10
58°
41°
11
59°
41°
12
67°
47°
13
64°
43°
14
61°
48°
15
67°
43°
16
61°
43°
17
67°
50°
18
70°
54°
19
74°
54°
20
73°
52°
21
66°
50°
22
69°
49°
23
67°
49°
24
68°
54°
25
75°
54°
26
76°
55°
27
77°
53°
28
78°
54°
29
72°
56°
30
73°
54°
31
77°
48°
1
71°
48°
2
69°
46°
3
70°
49°
4
71°
53°
5
72°
58°
6
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cambridge
Cambridge's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 35° and 58°. The average high for May is 66° with an average low of 46°. 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 Cambridge. See also: June | July | August.
