Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 28°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Thursday
24th Sep
28

22

9

7
Friday
25th Sep
27

23

7

5
Saturday
26th Sep
25

24

2

5
Sunday
27th Sep
25

24

6

3
Monday
28th Sep
26

24

4

2

5-day weather forecast updated at 04:01 on Wednesday 23rd September 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 Thursday 24th September 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

28
°C maximum temperature
22
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from NE

Nagasaki weather for Friday 25th September 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.

27
°C maximum temperature
23
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
6
kph wind from S

Nagasaki weather for Saturday 26th September 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a light breeze of 9 kph from the south-west.

25
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
91
% chance of some rain
<20
mm of rainfall expected
25
°C wind chill
9
kph wind from SW

Nagasaki weather for Sunday 27th September 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and a light breeze of 9 kph from the south-west.

25
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
3
UV index (Moderate)
85
% chance of some rain
<30
mm of rainfall expected
25
°C wind chill
9
kph wind from SW

Nagasaki weather for Monday 28th September 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a light breeze of 9 kph from the south-west.