Kusatsu weather live forecast

Today's maximum temperature in Kusatsu is expected to be 17°C. Select a day from the live weather forecast for Kusatsu, Japan for more weather parameters.

Wednesday
12th Aug
17

15

0

8
Thursday
13th Aug
21

16

3

8
Friday
14th Aug
22

16

3

8
Saturday
15th Aug
22

16

2

8
Sunday
16th Aug
22

16

4

10

5-day weather forecast updated at 04:02 on Tuesday 11th August 2026 GMT

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

Kusatsu weather forecast by day

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

Kusatsu weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 17°C, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 93% chance of some rain and little or no wind of 6 kph from the south-east.

17
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
8
UV index (Very High)
93
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

Kusatsu weather for Thursday 13th August 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and little or no wind of 3 kph from the south-east.

21
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
59
% chance of some rain
<5
mm of rainfall expected
21
°C wind chill
3
kph wind from SE

Kusatsu weather for Friday 14th August 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and little or no wind of 3 kph from the south-east.

22
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
75
% chance of some rain
<10
mm of rainfall expected
22
°C wind chill
3
kph wind from SE

Kusatsu weather for Saturday 15th August 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and little or no wind of 3 kph from the south-east.

22
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
8
UV index (Very High)
69
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
3
kph wind from SE

Kusatsu weather for Sunday 16th August 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 22°C, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and little or no wind of 3 kph from the north-west.