S
M
T
W
T
F
S
1
35°
32°
2
36°
31°
3
36°
29°
4
40°
32°
5
40°
32°
6
34°
30°
7
38°
32°
8
35°
31°
9
36°
31°
10
36°
31°
11
37°
33°
12
37°
34°
13
41°
33°
14
42°
35°
15
41°
33°
16
35°
31°
17
35°
31°
18
34°
30°
19
36°
33°
20
41°
32°
21
38°
33°
22
38°
35°
23
40°
34°
24
40°
33°
25
44°
36°
26
41°
36°
27
52°
34°
28
42°
28°
29
40°
28°
30
43°
29°
31
52°
30°
1
45°
27°
2
48°
28°
3
45°
37°
4
42°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
March Weather in Helsinki
Helsinki's March 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for March is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how March weather will actually feel in Helsinki. See also: April | May | June.