S
M
T
W
T
F
S
26
81°
60°
27
85°
70°
28
80°
71°
29
72°
58°
30
67°
54°
1
70°
46°
2
70°
43°
3
79°
57°
4
81°
63°
5
80°
62°
6
68°
46°
7
70°
47°
8
77°
55°
9
82°
58°
10
82°
59°
11
82°
63°
12
84°
59°
13
81°
59°
14
82°
58°
15
83°
64°
16
83°
64°
17
84°
63°
18
84°
64°
19
83°
65°
20
84°
65°
21
84°
64°
22
83°
65°
23
80°
62°
24
83°
65°
25
85°
66°
26
80°
62°
27
79°
59°
28
82°
63°
29
85°
64°
30
86°
66°
31
87°
67°
1
87°
67°
2
86°
68°
3
88°
68°
4
88°
65°
5
82°
62°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Galloway
Galloway's May 2026 forecast shows daily high temperatures ranging from 68° to 88°, with overnight lows between 43° and 68°. The average high for May is 82° with an average low of 61°. 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 Galloway. See also: June | July | August.