Kumamoto weather live forecast

Today's maximum temperature in Kumamoto is expected to be 25°C. Select a day from the live weather forecast for Kumamoto, Japan for more weather parameters.

Thursday
21st May
25

21

1

UV2
Friday
22nd May
26

20

4

UV5
Saturday
23rd May
27

19

2

UV9
Sunday
24th May
28

21

2

UV8
Monday
25th May
30

22

8

UV9

5-day weather forecast updated at 04:00 on Wednesday 20th May 2026 GMT

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The 5-day weather forecast for Japan (Kumamoto) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Kumamoto weather forecast by day

Below are the detailed weather forecasts for Kumamoto for the next 5 days.

Kumamoto weather for Thursday 21st May 2026

Expect isolated thunderstorms in Kumamoto, Japan with a maximum temperature of 25°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 18 kph from the south-west.

25
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
UV2
UV index (Low)
90
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

Kumamoto weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Kumamoto, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a light breeze of 12 kph from the north.

26
°C maximum temperature
20
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
UV5
UV index (Moderate)
22
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
kph wind from N

Kumamoto weather for Saturday 23rd May 2026

Expect mostly cloudy with light rain in Kumamoto, Japan with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and little or no wind of 6 kph from the west.

27
°C maximum temperature
19
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
UV9
UV index (Very High)
48
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
6
kph wind from W

Kumamoto weather for Sunday 24th May 2026

Expect isolated thunderstorms in Kumamoto, Japan with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a light breeze of 8 kph from the north-east.

28
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
UV8
UV index (Very High)
44
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
8
kph wind from NE

Kumamoto weather for Monday 25th May 2026

Expect isolated thunderstorms in Kumamoto, Japan with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 7 kph from the west.