S
M
T
W
T
F
S
26
86°
71°
27
85°
73°
28
86°
73°
29
76°
64°
30
64°
59°
1
59°
54°
2
75°
48°
3
80°
47°
4
80°
50°
5
86°
67°
6
76°
55°
7
69°
52°
8
80°
56°
9
85°
67°
10
88°
64°
11
78°
54°
12
83°
58°
13
88°
64°
14
89°
63°
15
88°
65°
16
89°
69°
17
86°
68°
18
86°
69°
19
83°
68°
20
86°
68°
21
91°
72°
22
83°
63°
23
80°
66°
24
81°
65°
25
83°
66°
26
85°
67°
27
82°
67°
28
82°
68°
29
85°
68°
30
85°
67°
31
87°
69°
1
87°
69°
2
88°
68°
3
82°
69°
4
84°
69°
5
85°
68°
6
84°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Douglas
Douglas's May 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 54° and 72°. The average high for May is 85° with an average low of 66°. 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 Douglas. See also: June | July | August.
