Nagasaki weather live forecast

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

Monday
13th Apr
19

15

1

4
Tuesday
14th Apr
19

17

0

5
Wednesday
15th Apr
20

17

1

5
Thursday
16th Apr
22

16

12

9
Friday
17th Apr
21

15

1

5

5-day weather forecast updated at 04:01 on Monday 13th 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 13th April 2026

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 30% chance of some rain and a light breeze of 8 kph from the north-east.

19
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
30
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
8
kph wind from NE

Nagasaki weather for Tuesday 14th April 2026

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 62% chance of some rain and little or no wind of 4 kph from the north-east.

19
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
0
hours of sunshine
5
UV index (Moderate)
62
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
4
kph wind from NE

Nagasaki weather for Wednesday 15th April 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a light breeze of 10 kph from the north.

20
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
5
UV index (Moderate)
74
% chance of some rain
<20
mm of rainfall expected
20
°C wind chill
10
kph wind from N

Nagasaki weather for Thursday 16th April 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 22°C, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

22
°C maximum temperature
16
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from NE

Nagasaki weather for Friday 17th April 2026

Expect overcast skies in Nagasaki, Japan with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.