S
M
T
W
T
F
S
28
79°
62°
29
94°
70°
30
91°
77°
1
84°
69°
2
79°
68°
3
84°
67°
4
74°
62°
5
79°
59°
6
84°
63°
7
85°
65°
8
87°
64°
9
85°
67°
10
84°
64°
11
84°
67°
12
87°
65°
13
87°
63°
14
84°
64°
15
82°
59°
16
82°
60°
17
76°
58°
18
77°
63°
19
78°
63°
20
81°
62°
21
84°
64°
22
84°
64°
23
82°
63°
24
82°
63°
25
83°
64°
26
81°
64°
27
82°
63°
28
81°
64°
29
81°
64°
30
82°
63°
31
77°
60°
1
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Washington
Washington's July 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 57° and 68°. The average high for July 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 July weather will actually feel in Washington. See also: August | September | October.