S
M
T
W
T
F
S
26
78°
63°
27
77°
64°
28
78°
63°
29
80°
64°
30
79°
63°
31
79°
63°
1
78°
64°
2
78°
64°
3
79°
63°
4
78°
61°
5
80°
60°
6
78°
59°
7
78°
59°
8
79°
60°
9
78°
60°
10
79°
62°
11
78°
64°
12
79°
63°
13
78°
64°
14
79°
64°
15
79°
63°
16
80°
61°
17
79°
63°
18
79°
63°
19
80°
62°
20
80°
63°
21
81°
62°
22
80°
63°
23
81°
64°
24
80°
62°
25
81°
63°
26
81°
61°
27
82°
62°
28
81°
62°
29
82°
63°
30
82°
67°
31
82°
64°
1
81°
63°
2
Hist. Avg.
81°
65°
3
Hist. Avg.
81°
65°
4
Hist. Avg.
81°
65°
5
Hist. Avg.
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cairns City
Cairns City's August 2026 forecast shows daily high temperatures ranging from 77° to 82°, with overnight lows between 59° and 67°. The average high for August is 80° with an average low of 63°. 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 Cairns City. See also: September | October | November.
