Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 23°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Thursday
15th Oct
23

15

11

5
Friday
16th Oct
25

18

3

4
Saturday
17th Oct
27

18

7

6
Sunday
18th Oct
27

19

8

5
Monday
19th Oct
25

22

3

3

5-day weather forecast updated at 04:01 on Wednesday 14th October 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 15th October 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

23
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from NE

Nagasaki weather for Friday 16th October 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

25
°C maximum temperature
18
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from NE

Nagasaki weather for Saturday 17th October 2026

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

27
°C maximum temperature
18
°C minimum temperature
scattered clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from NE

Nagasaki weather for Sunday 18th October 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from S

Nagasaki weather for Monday 19th October 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a light breeze of 11 kph from the south.