S
M
T
W
T
F
S
31
84°
61°
1
77°
58°
2
75°
62°
3
78°
65°
4
78°
66°
5
79°
66°
6
82°
65°
7
80°
67°
8
86°
66°
9
86°
61°
10
85°
67°
11
86°
68°
12
87°
69°
13
88°
67°
14
86°
62°
15
81°
62°
16
81°
67°
17
82°
69°
18
88°
63°
19
83°
63°
20
83°
64°
21
87°
71°
22
90°
69°
23
84°
71°
24
84°
68°
25
88°
66°
26
85°
66°
27
89°
67°
28
85°
70°
29
88°
66°
30
85°
71°
1
91°
70°
2
87°
65°
3
87°
64°
4
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Washington
Washington's June 2026 forecast shows daily high temperatures ranging from 75° to 91°, with overnight lows between 58° and 71°. The average high for June is 84° with an average low of 66°. 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 Washington. See also: July | August | September.