S
M
T
W
T
F
S
26
85°
62°
27
85°
61°
28
84°
60°
29
82°
60°
30
82°
58°
31
76°
54°
1
75°
52°
2
75°
52°
3
76°
54°
4
76°
57°
5
77°
56°
6
79°
58°
7
75°
59°
8
79°
58°
9
78°
57°
10
80°
52°
11
77°
51°
12
81°
58°
13
78°
59°
14
84°
58°
15
85°
57°
16
78°
58°
17
78°
57°
18
83°
58°
19
81°
55°
20
80°
49°
21
75°
49°
22
76°
48°
23
78°
49°
24
79°
52°
25
82°
53°
26
82°
52°
27
83°
52°
28
81°
49°
29
80°
51°
30
80°
54°
31
83°
53°
1
82°
44°
2
77°
46°
3
73°
50°
4
76°
53°
5
78°
54°
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 73° to 85°, with overnight lows between 44° and 62°. The average high for August is 79° with an average low of 54°. 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.