S
M
T
W
T
F
S
31
77°
45°
1
79°
52°
2
76°
52°
3
83°
55°
4
90°
62°
5
93°
64°
6
94°
68°
7
86°
61°
8
76°
57°
9
77°
59°
10
78°
65°
11
84°
65°
12
85°
64°
13
86°
65°
14
86°
66°
15
87°
62°
16
76°
58°
17
76°
59°
18
78°
60°
19
79°
60°
20
81°
64°
21
81°
65°
22
79°
65°
23
80°
67°
24
80°
66°
25
81°
63°
26
81°
65°
27
86°
67°
28
87°
68°
29
82°
64°
30
81°
62°
1
81°
62°
2
82°
65°
3
83°
68°
4
87°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Potomac Falls
Potomac Falls's June 2026 forecast shows daily high temperatures ranging from 76° to 94°, with overnight lows between 52° and 69°. The average high for June is 82° with an average low of 63°. 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 Falls. See also: July | August | September.
