S
M
T
W
T
F
S
27
79°
57°
28
78°
56°
29
79°
57°
30
78°
56°
1
78°
57°
2
74°
54°
3
64°
47°
4
66°
50°
5
71°
50°
6
66°
46°
7
67°
48°
8
70°
47°
9
68°
48°
10
67°
40°
11
59°
38°
12
56°
36°
13
56°
39°
14
57°
46°
15
63°
40°
16
65°
48°
17
65°
49°
18
68°
42°
19
58°
39°
20
54°
41°
21
55°
36°
22
54°
42°
23
58°
43°
24
65°
47°
25
65°
48°
26
66°
49°
27
65°
48°
28
66°
46°
29
63°
33°
30
53°
34°
31
52°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Walla Walla Regional Airport
Walla Walla Regional Airport's October 2026 forecast shows daily high temperatures ranging from 52° to 79°, with overnight lows between 33° and 57°. The average high for October is 65° with an average low of 46°. 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 Regional Airport. See also: November | December | January.