S
M
T
W
T
F
S
26
78°
60°
27
79°
61°
28
80°
65°
29
79°
66°
30
81°
63°
31
85°
62°
1
85°
66°
2
86°
66°
3
86°
67°
4
85°
65°
5
83°
60°
6
78°
59°
7
77°
59°
8
78°
60°
9
79°
60°
10
83°
61°
11
82°
61°
12
83°
60°
13
84°
61°
14
85°
63°
15
85°
64°
16
84°
65°
17
85°
65°
18
82°
61°
19
78°
58°
20
79°
62°
21
79°
64°
22
83°
64°
23
77°
58°
24
79°
63°
25
79°
64°
26
85°
58°
27
78°
64°
28
83°
64°
29
84°
63°
30
83°
62°
31
82°
61°
1
81°
60°
2
82°
60°
3
80°
59°
4
82°
61°
5
82°
60°
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 77° to 86°, with overnight lows between 58° and 67°. The average high for August is 82° 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.