S
M
T
W
T
F
S
31
77°
45°
1
78°
50°
2
76°
49°
3
83°
49°
4
88°
51°
5
89°
56°
6
85°
61°
7
89°
67°
8
76°
63°
9
82°
63°
10
89°
69°
11
95°
71°
12
93°
68°
13
87°
67°
14
91°
65°
15
76°
58°
16
79°
50°
17
87°
59°
18
85°
68°
19
80°
67°
20
83°
57°
21
83°
62°
22
89°
64°
23
74°
59°
24
82°
54°
25
87°
58°
26
87°
68°
27
80°
70°
28
82°
69°
29
86°
67°
30
91°
70°
1
100°
76°
2
103°
77°
3
102°
78°
4
96°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Potomac
Potomac's June 2026 forecast shows daily high temperatures ranging from 80° to 103°, with overnight lows between 67° and 78°. The average high for June is 93° with an average low of 73°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Potomac. See also: July | August | September.
