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