S
M
T
W
T
F
S
26
72°
55°
27
74°
55°
28
73°
57°
29
73°
55°
30
71°
55°
31
73°
57°
1
75°
56°
2
76°
54°
3
72°
55°
4
70°
54°
5
71°
51°
6
71°
54°
7
73°
56°
8
72°
54°
9
69°
48°
10
67°
48°
11
66°
52°
12
66°
52°
13
68°
51°
14
65°
50°
15
67°
51°
16
67°
51°
17
65°
50°
18
67°
48°
19
64°
51°
20
67°
54°
21
69°
52°
22
Hist. Avg.
66°
52°
23
Hist. Avg.
66°
51°
24
Hist. Avg.
66°
51°
25
Hist. Avg.
65°
51°
26
Hist. Avg.
65°
51°
27
Hist. Avg.
65°
50°
28
Hist. Avg.
64°
50°
29
Hist. Avg.
64°
50°
30
Hist. Avg.
64°
50°
31
Hist. Avg.
64°
50°
1
Hist. Avg.
63°
49°
2
Hist. Avg.
63°
49°
3
Hist. Avg.
63°
49°
4
Hist. Avg.
62°
49°
5
Hist. Avg.
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Helsinki Vantaa Airport
Helsinki Vantaa Airport's August 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 48° and 57°. The average high for August is 70° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Helsinki Vantaa Airport. See also: September | October | November.
