S
M
T
W
T
F
S
26
66°
50°
27
69°
44°
28
68°
48°
29
68°
51°
30
67°
50°
1
63°
45°
2
68°
52°
3
66°
52°
4
69°
49°
5
70°
48°
6
70°
48°
7
71°
53°
8
67°
53°
9
66°
52°
10
69°
54°
11
68°
54°
12
71°
53°
13
69°
48°
14
71°
54°
15
72°
54°
16
72°
53°
17
68°
49°
18
69°
50°
19
73°
53°
20
71°
55°
21
73°
53°
22
72°
57°
23
71°
52°
24
74°
51°
25
71°
53°
26
73°
52°
27
72°
52°
28
73°
54°
29
72°
53°
30
72°
54°
31
73°
54°
1
75°
55°
2
76°
56°
3
73°
60°
4
73°
55°
5
74°
59°
6
78°
60°
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 44° and 60°. The average high for May is 71° with an average low of 52°. 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.
