S
M
T
W
T
F
S
27
69°
50°
28
70°
49°
29
65°
60°
30
73°
58°
1
65°
40°
2
61°
35°
3
61°
47°
4
67°
41°
5
64°
38°
6
79°
54°
7
72°
44°
8
66°
38°
9
73°
54°
10
87°
61°
11
83°
57°
12
62°
46°
13
57°
44°
14
59°
50°
15
64°
39°
16
52°
37°
17
53°
36°
18
57°
39°
19
57°
37°
20
59°
38°
21
61°
39°
22
54°
33°
23
48°
32°
24
58°
39°
25
59°
36°
26
55°
36°
27
52°
27°
28
45°
30°
29
53°
34°
30
52°
31°
31
55°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Grantsburg
Grantsburg's October 2026 forecast shows daily high temperatures ranging from 45° to 87°, with overnight lows between 27° and 61°. The average high for October is 59° with an average low of 40°. 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 Grantsburg. See also: November | December | January.
