S
M
T
W
T
F
S
27
79°
49°
28
72°
53°
29
71°
54°
30
78°
48°
1
71°
55°
2
77°
53°
3
79°
53°
4
75°
46°
5
65°
42°
6
62°
42°
7
63°
43°
8
62°
45°
9
62°
43°
10
59°
40°
11
59°
46°
12
63°
44°
13
68°
48°
14
63°
41°
15
59°
47°
16
63°
41°
17
57°
46°
18
59°
45°
19
64°
41°
20
65°
46°
21
66°
38°
22
60°
36°
23
53°
33°
24
54°
39°
25
58°
34°
26
52°
31°
27
Hist. Avg.
58°
40°
28
Hist. Avg.
57°
40°
29
Hist. Avg.
57°
40°
30
Hist. Avg.
56°
39°
31
Hist. Avg.
56°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Walla Walla
Walla Walla's October 2026 forecast shows daily high temperatures ranging from 52° to 79°, with overnight lows between 31° and 55°. The average high for October is 65° with an average low of 44°. 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 Walla Walla. See also: November | December | January.