S
M
T
W
T
F
S
26
58°
44°
27
71°
38°
28
65°
45°
29
62°
52°
30
72°
45°
1
68°
49°
2
60°
43°
3
63°
45°
4
75°
56°
5
84°
61°
6
76°
58°
7
66°
47°
8
63°
42°
9
66°
52°
10
71°
52°
11
69°
53°
12
70°
58°
13
71°
56°
14
73°
55°
15
69°
57°
16
69°
55°
17
70°
59°
18
70°
61°
19
78°
61°
20
78°
60°
21
76°
62°
22
79°
62°
23
79°
61°
24
80°
62°
25
75°
59°
26
73°
62°
27
73°
63°
28
81°
64°
29
78°
64°
30
80°
63°
31
78°
64°
1
76°
58°
2
73°
58°
3
73°
57°
4
74°
57°
5
74°
58°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Potomac Mills
Potomac Mills's May 2026 forecast shows daily high temperatures ranging from 60° to 84°, with overnight lows between 42° and 64°. The average high for May is 73° with an average low of 57°. 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 Potomac Mills. See also: June | July | August.
