S
M
T
W
T
F
S
26
70°
53°
27
68°
49°
28
75°
44°
29
78°
56°
30
74°
55°
1
66°
53°
2
59°
50°
3
69°
45°
4
76°
47°
5
78°
52°
6
84°
55°
7
75°
56°
8
71°
51°
9
76°
56°
10
82°
63°
11
83°
56°
12
71°
49°
13
76°
51°
14
82°
58°
15
78°
48°
16
79°
51°
17
85°
59°
18
92°
63°
19
89°
63°
20
91°
69°
21
92°
68°
22
81°
67°
23
84°
64°
24
83°
66°
25
82°
67°
26
81°
66°
27
85°
64°
28
83°
65°
29
84°
62°
30
82°
63°
31
84°
60°
1
85°
65°
2
85°
65°
3
84°
64°
4
81°
65°
5
80°
65°
6
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Delco
Delco's May 2026 forecast shows daily high temperatures ranging from 80° to 92°, with overnight lows between 60° and 69°. The average high for May is 85° with an average low of 65°. 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 Delco. See also: June | July | August.
