S
M
T
W
T
F
S
26
66°
54°
27
73°
52°
28
64°
51°
29
68°
49°
30
64°
46°
1
65°
54°
2
66°
48°
3
65°
47°
4
66°
49°
5
70°
55°
6
75°
56°
7
74°
57°
8
75°
58°
9
76°
58°
10
76°
59°
11
73°
58°
12
68°
56°
13
68°
58°
14
69°
55°
15
68°
53°
16
69°
56°
17
68°
57°
18
76°
56°
19
76°
55°
20
72°
54°
21
71°
53°
22
70°
52°
23
71°
55°
24
71°
55°
25
70°
56°
26
70°
56°
27
72°
57°
28
78°
56°
29
73°
64°
30
80°
63°
31
81°
56°
1
75°
63°
2
78°
64°
3
81°
57°
4
78°
62°
5
77°
59°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gloucester
Gloucester's May 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 46° and 64°. The average high for May is 72° with an average low of 56°. 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 Gloucester. See also: June | July | August.
