S
M
T
W
T
F
S
26
87°
63°
27
86°
62°
28
85°
60°
29
89°
66°
30
82°
68°
1
71°
57°
2
73°
51°
3
77°
45°
4
81°
47°
5
86°
50°
6
90°
65°
7
79°
71°
8
78°
65°
9
69°
64°
10
84°
65°
11
87°
66°
12
71°
61°
13
83°
60°
14
85°
58°
15
83°
52°
16
90°
58°
17
91°
68°
18
91°
67°
19
92°
68°
20
89°
70°
21
89°
69°
22
90°
69°
23
86°
71°
24
88°
73°
25
80°
72°
26
83°
73°
27
85°
71°
28
83°
70°
29
84°
70°
30
80°
70°
31
82°
68°
1
81°
66°
2
82°
63°
3
85°
66°
4
83°
67°
5
85°
69°
6
90°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dellwood
Dellwood's May 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 63° and 73°. The average high for May is 83° with an average low of 69°. 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 Dellwood. See also: June | July | August.