Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 20°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Monday
6th Apr
20

13

2

5
Tuesday
7th Apr
17

10

9

8
Wednesday
8th Apr
17

9

12

8
Thursday
9th Apr
19

12

3

3
Friday
10th Apr
20

15

1

4

5-day weather forecast updated at 04:01 on Monday 6th April 2026 GMT

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

Nagasaki weather forecast by day

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

Nagasaki weather for Monday 6th April 2026

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a light breeze of 12 kph from the south.

20
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
5
UV index (Moderate)
38
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from S

Nagasaki weather for Tuesday 7th April 2026

Expect sunshine and showers in Nagasaki, Japan with a maximum temperature of 17°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 11% chance of some rain and a gentle breeze of 17 kph from the north.

17
°C maximum temperature
10
°C minimum temperature
sunshine and showers
9
hours of sunshine
8
UV index (Very High)
11
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

Nagasaki weather for Wednesday 8th April 2026

Expect clear skies in Nagasaki, Japan with a maximum temperature of 17°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

17
°C maximum temperature
9
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from E

Nagasaki weather for Thursday 9th April 2026

Expect mostly cloudy with rain in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 21 kph from the south.

19
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
3
UV index (Moderate)
90
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
21
kph wind from S

Nagasaki weather for Friday 10th April 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 21 kph from the south-west.