S
M
T
W
T
F
S
26
56°
41°
27
70°
36°
28
63°
44°
29
62°
50°
30
71°
47°
1
67°
40°
2
62°
49°
3
63°
43°
4
80°
45°
5
89°
58°
6
71°
60°
7
62°
50°
8
73°
42°
9
76°
52°
10
87°
49°
11
62°
47°
12
71°
40°
13
78°
55°
14
64°
53°
15
72°
52°
16
87°
51°
17
88°
58°
18
95°
63°
19
97°
72°
20
96°
69°
21
73°
57°
22
59°
52°
23
57°
52°
24
65°
55°
25
76°
62°
26
80°
63°
27
80°
68°
28
81°
54°
29
79°
60°
30
75°
51°
31
73°
58°
1
75°
54°
2
76°
55°
3
78°
58°
4
79°
62°
5
78°
61°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brandywine
Brandywine's May 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 51° and 68°. The average high for May is 78° with an average low of 58°. 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 Brandywine. See also: June | July | August.