Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 21°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Sunday
12th Apr
21

15

1

6
Monday
13th Apr
19

16

0

7
Tuesday
14th Apr
19

17

0

2
Wednesday
15th Apr
20

17

2

6
Thursday
16th Apr
23

16

7

9

5-day weather forecast updated at 04:01 on Sunday 12th 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 Sunday 12th April 2026

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 21°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and little or no wind of 4 kph from the south-west.

21
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
6
UV index (High)
55
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
4
kph wind from SW

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 7 (High) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and little or no wind of 6 kph from the north-east.

19
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
7
UV index (High)
41
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
6
kph wind from NE

Nagasaki weather for Tuesday 14th April 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and little or no wind of 5 kph from the north-east.

19
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
66
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
5
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 6 (High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a light breeze of 9 kph from the north.

20
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
86
% chance of some rain
<20
mm of rainfall expected
20
°C wind chill
9
kph wind from N

Nagasaki weather for Thursday 16th April 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 23°C, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.