S
M
T
W
T
F
S
26
67°
56°
27
71°
56°
28
71°
56°
29
73°
57°
30
73°
55°
31
72°
56°
1
71°
57°
2
72°
58°
3
73°
57°
4
70°
54°
5
69°
53°
6
70°
54°
7
71°
56°
8
71°
56°
9
70°
57°
10
72°
56°
11
71°
55°
12
70°
55°
13
70°
57°
14
71°
56°
15
71°
55°
16
69°
56°
17
71°
57°
18
70°
56°
19
70°
56°
20
68°
55°
21
70°
54°
22
70°
51°
23
Hist. Avg.
64°
50°
24
Hist. Avg.
63°
50°
25
Hist. Avg.
63°
50°
26
Hist. Avg.
63°
50°
27
Hist. Avg.
62°
49°
28
Hist. Avg.
62°
49°
29
Hist. Avg.
62°
49°
30
Hist. Avg.
62°
49°
31
Hist. Avg.
61°
48°
1
Hist. Avg.
61°
48°
2
Hist. Avg.
61°
48°
3
Hist. Avg.
60°
48°
4
Hist. Avg.
60°
47°
5
Hist. Avg.
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Turku
Turku's August 2026 forecast shows daily high temperatures ranging from 67° to 73°, with overnight lows between 51° and 58°. The average high for August is 71° with an average low of 56°. 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 Turku. See also: September | October | November.
