S
M
T
W
T
F
S
26
62°
41°
27
61°
41°
28
60°
39°
29
60°
40°
30
59°
39°
1
59°
36°
2
62°
38°
3
59°
38°
4
58°
36°
5
59°
36°
6
62°
39°
7
66°
44°
8
64°
39°
9
63°
44°
10
63°
38°
11
62°
38°
12
61°
39°
13
62°
38°
14
61°
39°
15
63°
39°
16
64°
40°
17
66°
49°
18
67°
41°
19
64°
40°
20
66°
41°
21
67°
49°
22
69°
51°
23
69°
52°
24
76°
53°
25
76°
52°
26
72°
52°
27
77°
54°
28
78°
52°
29
78°
53°
30
79°
51°
31
73°
49°
1
70°
48°
2
72°
51°
3
79°
55°
4
80°
55°
5
80°
56°
6
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Athens
Athens's May 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 36° and 56°. The average high for May is 67° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Athens. See also: June | July | August.