S
M
T
W
T
F
S
26
70°
58°
27
67°
53°
28
67°
52°
29
68°
55°
30
67°
59°
1
69°
54°
2
69°
55°
3
74°
60°
4
73°
57°
5
68°
58°
6
68°
56°
7
71°
55°
8
70°
59°
9
70°
60°
10
71°
57°
11
71°
60°
12
74°
60°
13
75°
62°
14
75°
62°
15
74°
61°
16
72°
62°
17
74°
63°
18
73°
62°
19
76°
64°
20
78°
64°
21
75°
65°
22
78°
64°
23
79°
65°
24
78°
59°
25
76°
60°
26
75°
61°
27
78°
64°
28
79°
64°
29
80°
65°
30
81°
66°
31
81°
67°
1
80°
66°
2
76°
61°
3
77°
62°
4
76°
61°
5
76°
65°
6
77°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Osaka
Osaka's May 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 52° and 67°. The average high for May is 74° with an average low of 61°. 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 Osaka. See also: June | July | August.
