S
M
T
W
T
F
S
26
82°
64°
27
79°
59°
28
70°
48°
29
66°
43°
30
68°
43°
1
70°
45°
2
72°
45°
3
84°
43°
4
82°
57°
5
66°
50°
6
64°
46°
7
77°
43°
8
86°
46°
9
84°
46°
10
68°
50°
11
79°
43°
12
86°
46°
13
84°
59°
14
91°
61°
15
86°
66°
16
90°
64°
17
88°
72°
18
91°
64°
19
59°
52°
20
63°
54°
21
72°
55°
22
82°
59°
23
79°
61°
24
85°
55°
25
88°
55°
26
86°
59°
27
79°
64°
28
82°
64°
29
90°
61°
30
93°
68°
31
97°
70°
1
97°
70°
2
86°
64°
3
84°
66°
4
90°
68°
5
88°
70°
6
84°
70°
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 ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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.