S
M
T
W
T
F
S
27
70°
45°
28
61°
43°
29
70°
59°
30
73°
45°
1
54°
37°
2
61°
47°
3
60°
38°
4
60°
34°
5
62°
49°
6
70°
46°
7
64°
41°
8
62°
43°
9
61°
48°
10
66°
43°
11
54°
38°
12
56°
40°
13
59°
39°
14
60°
41°
15
52°
32°
16
57°
38°
17
55°
39°
18
52°
38°
19
48°
37°
20
47°
32°
21
50°
36°
22
55°
37°
23
53°
36°
24
51°
35°
25
45°
33°
26
43°
35°
27
51°
35°
28
49°
34°
29
50°
35°
30
50°
33°
31
45°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Roseau
Roseau's October 2026 forecast shows daily high temperatures ranging from 43° to 70°, with overnight lows between 32° and 49°. The average high for October is 55° 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 Roseau. See also: November | December | January.