Kusatsu weather live forecast

Today's maximum temperature in Kusatsu is expected to be 19°C. Select a day from the live weather forecast for Kusatsu, Japan for more weather parameters.

Monday
7th Sep
19

15

0

4
Tuesday
8th Sep
21

17

1

5
Wednesday
9th Sep
19

13

0

2
Thursday
10th Sep
16

12

0

1
Friday
11th Sep
18

13

1

8

5-day weather forecast updated at 04:03 on Sunday 6th September 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 Monday 7th September 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 94% chance of some rain and little or no wind of 4 kph from the south-east.

19
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
4
UV index (Moderate)
94
% chance of some rain
>50
mm or more of rainfall expected
19
°C wind chill
4
kph wind from SE

Kusatsu weather for Tuesday 8th September 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and little or no wind of 2 kph from the south-east.

21
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
79
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
2
kph wind from SE

Kusatsu weather for Wednesday 9th September 2026

Expect isolated thunderstorms in Kusatsu, Japan with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 79% chance of some rain and little or no wind of 2 kph from the north.

19
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
79
% chance of some rain
<40
mm of rainfall expected
19
°C wind chill
2
kph wind from N

Kusatsu weather for Thursday 10th September 2026

Expect cloudy with some rain in Kusatsu, Japan with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and little or no wind of 2 kph from the south-east.

16
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
84
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
2
kph wind from SE

Kusatsu weather for Friday 11th September 2026

Expect cloudy with some rain in Kusatsu, Japan with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and little or no wind of 2 kph from the south-east.