S
M
T
W
T
F
S
26
82°
64°
27
87°
67°
28
84°
66°
29
87°
66°
30
87°
65°
31
81°
66°
1
81°
65°
2
80°
66°
3
80°
65°
4
81°
64°
5
82°
65°
6
81°
64°
7
81°
64°
8
80°
63°
9
79°
65°
10
79°
65°
11
80°
64°
12
80°
64°
13
79°
61°
14
79°
62°
15
80°
62°
16
79°
59°
17
79°
61°
18
80°
61°
19
79°
62°
20
82°
63°
21
85°
57°
22
82°
56°
23
78°
55°
24
79°
58°
25
78°
60°
26
80°
61°
27
84°
59°
28
77°
64°
29
78°
63°
30
86°
56°
31
77°
54°
1
77°
55°
2
78°
61°
3
76°
55°
4
78°
63°
5
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Athens
Athens's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 54° and 67°. The average high for August is 81° with an average low of 62°. 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 Athens. See also: September | October | November.