S
M
T
W
T
F
S
28
86°
68°
29
90°
70°
30
91°
70°
1
92°
69°
2
91°
69°
3
90°
70°
4
90°
70°
5
91°
69°
6
92°
70°
7
91°
69°
8
91°
70°
9
90°
70°
10
90°
69°
11
89°
71°
12
85°
71°
13
88°
72°
14
91°
72°
15
93°
71°
16
93°
70°
17
92°
63°
18
85°
62°
19
83°
62°
20
83°
63°
21
84°
62°
22
84°
65°
23
86°
64°
24
87°
65°
25
89°
64°
26
86°
65°
27
88°
67°
28
91°
67°
29
94°
65°
30
86°
63°
31
85°
63°
1
Hist. Avg.
89°
68°
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 83° to 94°, with overnight lows between 62° and 72°. The average high for July is 89° with an average low of 67°. 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.