S
M
T
W
T
F
S
27
47°
40°
28
50°
40°
29
50°
39°
30
49°
40°
1
50°
39°
2
50°
40°
3
48°
39°
4
49°
38°
5
49°
37°
6
48°
36°
7
47°
35°
8
46°
36°
9
47°
36°
10
48°
34°
11
Hist. Avg.
50°
37°
12
Hist. Avg.
49°
37°
13
Hist. Avg.
49°
37°
14
Hist. Avg.
49°
36°
15
Hist. Avg.
48°
36°
16
Hist. Avg.
48°
36°
17
Hist. Avg.
48°
36°
18
Hist. Avg.
48°
35°
19
Hist. Avg.
47°
35°
20
Hist. Avg.
47°
35°
21
Hist. Avg.
47°
35°
22
Hist. Avg.
47°
35°
23
Hist. Avg.
46°
34°
24
Hist. Avg.
46°
34°
25
Hist. Avg.
46°
34°
26
Hist. Avg.
46°
34°
27
Hist. Avg.
45°
34°
28
Hist. Avg.
45°
33°
29
Hist. Avg.
45°
33°
30
Hist. Avg.
45°
33°
31
Hist. Avg.
44°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Port William
Port William's October 2026 forecast shows daily high temperatures ranging from 46° to 50°, with overnight lows between 34° and 40°. The average high for October is 48° with an average low of 38°. 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 Port William. See also: November | December | January.
