S
M
T
W
T
F
S
27
77°
55°
28
80°
54°
29
80°
52°
30
78°
41°
1
76°
39°
2
62°
39°
3
64°
45°
4
65°
49°
5
65°
40°
6
67°
35°
7
64°
45°
8
63°
50°
9
68°
44°
10
73°
38°
11
71°
35°
12
58°
36°
13
59°
37°
14
58°
45°
15
61°
45°
16
67°
44°
17
68°
44°
18
69°
46°
19
69°
44°
20
68°
46°
21
68°
47°
22
70°
43°
23
68°
43°
24
62°
42°
25
67°
34°
26
67°
33°
27
54°
37°
28
61°
41°
29
59°
35°
30
61°
28°
31
50°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Washington
Washington's October 2026 forecast shows daily high temperatures ranging from 50° to 80°, with overnight lows between 28° and 55°. The average high for October is 66° with an average low of 42°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Washington. See also: November | December | January.
