S
M
T
W
T
F
S
27
63°
50°
28
64°
50°
29
62°
49°
30
61°
47°
1
62°
50°
2
65°
54°
3
69°
50°
4
68°
51°
5
69°
48°
6
65°
44°
7
60°
45°
8
59°
44°
9
58°
44°
10
59°
51°
11
Hist. Avg.
62°
47°
12
Hist. Avg.
61°
47°
13
Hist. Avg.
61°
46°
14
Hist. Avg.
60°
46°
15
Hist. Avg.
60°
46°
16
Hist. Avg.
60°
46°
17
Hist. Avg.
60°
46°
18
Hist. Avg.
59°
45°
19
Hist. Avg.
59°
45°
20
Hist. Avg.
59°
45°
21
Hist. Avg.
58°
45°
22
Hist. Avg.
58°
45°
23
Hist. Avg.
58°
44°
24
Hist. Avg.
58°
44°
25
Hist. Avg.
57°
44°
26
Hist. Avg.
57°
44°
27
Hist. Avg.
57°
44°
28
Hist. Avg.
56°
44°
29
Hist. Avg.
56°
43°
30
Hist. Avg.
56°
43°
31
Hist. Avg.
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Pioneer Square
Pioneer Square's October 2026 forecast shows daily high temperatures ranging from 58° to 69°, with overnight lows between 44° and 54°. The average high for October is 63° 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 Pioneer Square. See also: November | December | January.
