S
M
T
W
T
F
S
28
81°
68°
29
88°
68°
30
91°
68°
1
92°
73°
2
92°
71°
3
93°
72°
4
92°
67°
5
85°
66°
6
86°
67°
7
84°
67°
8
86°
67°
9
84°
68°
10
80°
67°
11
81°
67°
12
88°
66°
13
88°
64°
14
94°
68°
15
96°
71°
16
95°
66°
17
92°
68°
18
86°
66°
19
84°
67°
20
83°
64°
21
79°
62°
22
80°
59°
23
82°
62°
24
82°
61°
25
84°
62°
26
82°
61°
27
82°
60°
28
82°
60°
29
79°
58°
30
78°
64°
31
79°
62°
1
82°
62°
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 78° to 96°, with overnight lows between 58° and 71°. The average high for July is 84° 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.