S
M
T
W
T
F
S
27
61°
45°
28
61°
52°
29
64°
48°
30
63°
39°
1
63°
41°
2
59°
54°
3
59°
52°
4
57°
45°
5
59°
50°
6
59°
54°
7
55°
34°
8
52°
34°
9
55°
39°
10
41°
37°
11
43°
39°
12
45°
41°
13
43°
34°
14
51°
49°
15
53°
48°
16
55°
53°
17
54°
32°
18
49°
28°
19
48°
25°
20
49°
27°
21
54°
48°
22
53°
48°
23
52°
50°
24
54°
50°
25
54°
50°
26
53°
50°
27
53°
50°
28
52°
49°
29
54°
49°
30
53°
47°
31
52°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Helsinki
Helsinki's October 2026 forecast shows daily high temperatures ranging from 52° to 54°, with overnight lows between 47° and 50°. The average high for October is 53° with an average low of 49°. 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 Helsinki. See also: November | December | January.
