S
M
T
W
T
F
S
26
77°
70°
27
80°
68°
28
81°
67°
29
82°
70°
30
82°
72°
31
83°
68°
1
82°
71°
2
81°
70°
3
80°
69°
4
81°
68°
5
82°
69°
6
82°
65°
7
76°
64°
8
76°
65°
9
77°
67°
10
76°
67°
11
76°
66°
12
75°
66°
13
75°
65°
14
76°
67°
15
78°
69°
16
77°
70°
17
75°
68°
18
77°
66°
19
78°
67°
20
79°
68°
21
77°
68°
22
81°
68°
23
80°
65°
24
Hist. Avg.
80°
62°
25
Hist. Avg.
80°
62°
26
Hist. Avg.
80°
61°
27
Hist. Avg.
80°
61°
28
Hist. Avg.
79°
61°
29
Hist. Avg.
79°
61°
30
Hist. Avg.
79°
61°
31
Hist. Avg.
79°
61°
1
Hist. Avg.
78°
60°
2
Hist. Avg.
78°
60°
3
Hist. Avg.
78°
60°
4
Hist. Avg.
78°
60°
5
Hist. Avg.
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Rijeka
Rijeka's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 64° and 72°. The average high for August is 79° with an average low of 68°. 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 Rijeka. See also: September | October | November.
