S
M
T
W
T
F
S
26
78°
64°
27
86°
66°
28
90°
67°
29
94°
69°
30
95°
64°
31
98°
67°
1
100°
70°
2
100°
70°
3
95°
73°
4
95°
70°
5
97°
65°
6
97°
68°
7
97°
74°
8
93°
74°
9
93°
70°
10
96°
69°
11
100°
70°
12
96°
82°
13
95°
79°
14
92°
70°
15
N/A
16
92°
71°
17
84°
67°
18
85°
68°
19
86°
71°
20
85°
71°
21
81°
69°
22
83°
71°
23
89°
72°
24
90°
72°
25
85°
69°
26
85°
67°
27
82°
66°
28
77°
69°
29
70°
64°
30
71°
62°
31
71°
63°
1
74°
63°
2
70°
61°
3
69°
61°
4
71°
63°
5
73°
66°
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 69° to 92°, with overnight lows between 61° and 72°. The average high for August is 80° with an average low of 67°. 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.
