S
M
T
W
T
F
S
27
68°
57°
28
79°
54°
29
82°
48°
30
70°
63°
1
70°
57°
2
68°
48°
3
72°
45°
4
73°
46°
5
75°
43°
6
81°
48°
7
81°
52°
8
79°
46°
9
81°
57°
10
86°
61°
11
86°
55°
12
86°
66°
13
77°
59°
14
66°
59°
15
66°
52°
16
52°
39°
17
59°
32°
18
66°
39°
19
72°
37°
20
73°
37°
21
75°
48°
22
77°
50°
23
75°
52°
24
75°
51°
25
73°
52°
26
69°
45°
27
54°
40°
28
59°
39°
29
58°
38°
30
58°
41°
31
57°
41°
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 54° to 77°, with overnight lows between 38° and 52°. The average high for October is 66° with an average low of 45°. 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.
