S
M
T
W
T
F
S
26
86°
72°
27
88°
73°
28
82°
75°
29
70°
61°
30
64°
53°
1
57°
48°
2
70°
49°
3
76°
52°
4
77°
60°
5
83°
65°
6
84°
61°
7
74°
57°
8
73°
55°
9
80°
57°
10
83°
62°
11
83°
62°
12
82°
61°
13
85°
66°
14
84°
67°
15
85°
67°
16
85°
66°
17
86°
67°
18
86°
68°
19
85°
68°
20
86°
67°
21
82°
67°
22
80°
66°
23
81°
67°
24
86°
69°
25
84°
68°
26
81°
62°
27
81°
62°
28
83°
68°
29
86°
69°
30
88°
70°
31
89°
70°
1
89°
69°
2
90°
71°
3
90°
72°
4
91°
72°
5
90°
71°
6
88°
69°
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 57° to 91°, with overnight lows between 48° and 72°. The average high for May is 82° with an average low of 64°. 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.