S
M
T
W
T
F
S
26
76°
58°
27
74°
57°
28
79°
58°
29
71°
60°
30
63°
55°
1
69°
59°
2
74°
56°
3
72°
63°
4
71°
60°
5
75°
52°
6
70°
58°
7
81°
61°
8
76°
64°
9
72°
58°
10
76°
55°
11
79°
59°
12
79°
63°
13
80°
67°
14
83°
63°
15
85°
61°
16
83°
65°
17
86°
64°
18
89°
64°
19
83°
67°
20
86°
69°
21
78°
73°
22
78°
69°
23
80°
67°
24
82°
66°
25
88°
67°
26
N/A
27
77°
69°
28
82°
70°
29
83°
59°
30
86°
67°
31
90°
68°
1
92°
69°
2
83°
69°
3
82°
70°
4
83°
68°
5
84°
69°
6
85°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Osaka-shi
Osaka-shi's May 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 59° and 70°. The average high for May is 84° with an average low of 68°. 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-shi. See also: June | July | August.