S
M
T
W
T
F
S
27
49°
36°
28
45°
37°
29
44°
36°
30
47°
36°
1
47°
35°
2
46°
36°
3
46°
36°
4
47°
35°
5
47°
35°
6
44°
34°
7
45°
33°
8
45°
35°
9
44°
34°
10
44°
33°
11
43°
32°
12
41°
31°
13
40°
29°
14
39°
30°
15
40°
26°
16
38°
27°
17
36°
20°
18
35°
22°
19
33°
22°
20
31°
24°
21
32°
21°
22
34°
21°
23
32°
20°
24
30°
20°
25
29°
19°
26
30°
20°
27
29°
21°
28
29°
19°
29
28°
20°
30
28°
17°
31
31°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mertarvik
Mertarvik's October 2026 forecast shows daily high temperatures ranging from 28° to 49°, with overnight lows between 17° and 37°. The average high for October is 39° with an average low of 28°. 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 Mertarvik. See also: November | December | January.