S
M
T
W
T
F
S
26
55°
48°
27
64°
47°
28
65°
42°
29
67°
46°
30
69°
55°
1
65°
44°
2
60°
46°
3
62°
48°
4
77°
57°
5
82°
62°
6
80°
61°
7
67°
48°
8
66°
48°
9
65°
53°
10
70°
59°
11
70°
54°
12
66°
53°
13
66°
56°
14
70°
57°
15
73°
55°
16
72°
57°
17
75°
56°
18
76°
60°
19
77°
61°
20
77°
62°
21
76°
62°
22
71°
54°
23
70°
54°
24
69°
55°
25
70°
57°
26
74°
58°
27
71°
55°
28
71°
56°
29
72°
57°
30
72°
61°
31
73°
63°
1
74°
64°
2
75°
63°
3
74°
62°
4
75°
64°
5
78°
65°
6
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gloucester Courthouse
Gloucester Courthouse's May 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 48° and 65°. The average high for May is 73° with an average low of 58°. 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 Courthouse. See also: June | July | August.