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
72°
49°
8
81°
58°
9
77°
53°
10
72°
54°
11
67°
62°
12
76°
53°
13
83°
61°
14
88°
66°
15
70°
60°
16
76°
50°
17
62°
41°
18
63°
41°
19
67°
47°
20
70°
51°
21
72°
50°
22
70°
54°
23
71°
52°
24
68°
54°
25
69°
45°
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 88°, with overnight lows between 39° and 66°. The average high for October is 69° with an average low of 49°. 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.
