S
M
T
W
T
F
S
26
67°
54°
27
69°
48°
28
68°
53°
29
69°
54°
30
66°
52°
1
63°
49°
2
67°
55°
3
65°
55°
4
68°
52°
5
70°
52°
6
70°
53°
7
71°
57°
8
68°
57°
9
66°
58°
10
69°
59°
11
69°
58°
12
68°
57°
13
67°
52°
14
70°
58°
15
72°
59°
16
73°
57°
17
68°
53°
18
69°
54°
19
72°
58°
20
70°
58°
21
74°
59°
22
73°
62°
23
71°
57°
24
74°
55°
25
71°
56°
26
73°
57°
27
72°
56°
28
73°
59°
29
72°
58°
30
72°
59°
31
73°
59°
1
75°
60°
2
77°
61°
3
73°
65°
4
73°
59°
5
74°
63°
6
78°
64°
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 63° to 78°, with overnight lows between 48° and 65°. The average high for May is 71° with an average low of 57°. 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.
