S
M
T
W
T
F
S
27
66°
61°
28
71°
61°
29
74°
64°
30
80°
61°
1
83°
64°
2
86°
64°
3
67°
59°
4
65°
61°
5
74°
58°
6
66°
50°
7
73°
51°
8
81°
47°
9
77°
49°
10
74°
59°
11
70°
65°
12
77°
59°
13
77°
53°
14
66°
46°
15
64°
45°
16
66°
47°
17
72°
53°
18
67°
48°
19
69°
50°
20
70°
47°
21
62°
51°
22
62°
49°
23
61°
43°
24
60°
41°
25
60°
43°
26
66°
46°
27
70°
42°
28
59°
39°
29
57°
39°
30
58°
40°
31
63°
46°
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 57° to 81°, with overnight lows between 39° and 65°. The average high for October is 67° with an average low of 48°. 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.
