S
M
T
W
T
F
S
27
58°
46°
28
57°
46°
29
57°
44°
30
56°
43°
1
54°
44°
2
52°
40°
3
53°
38°
4
53°
39°
5
55°
38°
6
51°
37°
7
50°
36°
8
49°
38°
9
48°
37°
10
47°
35°
11
46°
34°
12
46°
34°
13
47°
35°
14
45°
37°
15
46°
41°
16
50°
42°
17
51°
42°
18
51°
41°
19
50°
43°
20
53°
41°
21
52°
40°
22
51°
38°
23
46°
36°
24
45°
37°
25
46°
36°
26
44°
35°
27
47°
38°
28
46°
30°
29
45°
38°
30
48°
37°
31
Hist. Avg.
41°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Helsinki
Helsinki's October 2026 forecast shows daily high temperatures ranging from 44° to 58°, with overnight lows between 30° and 46°. The average high for October is 50° with an average low of 39°. 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.
