S
M
T
W
T
F
S
31
53°
44°
1
54°
45°
2
55°
46°
3
56°
44°
4
54°
46°
5
52°
45°
6
50°
45°
7
51°
44°
8
50°
45°
9
52°
46°
10
54°
46°
11
55°
45°
12
55°
47°
13
56°
47°
14
56°
48°
15
55°
47°
16
56°
47°
17
54°
46°
18
52°
47°
19
52°
45°
20
53°
47°
21
52°
48°
22
52°
48°
23
56°
47°
24
56°
45°
25
53°
44°
26
54°
48°
27
54°
48°
28
56°
49°
29
57°
49°
30
56°
48°
1
58°
49°
2
56°
49°
3
57°
48°
4
57°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
Hiking-August Weather in Reykjavik
Reykjavik's Hiking-August 2026 forecast shows daily high temperatures ranging from 50° to 58°, with overnight lows between 44° and 49°. The average high for Hiking-August is 54° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how Hiking-August weather will actually feel in Reykjavik. See also: July | August | September.
