Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 30°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Saturday
5th Sep
30

24

3

6
Sunday
6th Sep
31

26

3

9
Monday
7th Sep
31

26

4

5
Tuesday
8th Sep
32

25

5

8
Wednesday
9th Sep
31

25

4

6

5-day weather forecast updated at 04:01 on Saturday 5th 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 Saturday 5th September 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

30
°C maximum temperature
24
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from NE

Nagasaki weather for Sunday 6th September 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.

31
°C maximum temperature
26
°C minimum temperature
broken clouds
3
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from NE

Nagasaki weather for Monday 7th September 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north.

31
°C maximum temperature
26
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from N

Nagasaki weather for Tuesday 8th September 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

32
°C maximum temperature
25
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from N

Nagasaki weather for Wednesday 9th September 2026

Expect mostly cloudy with rain in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 17 kph from the north-east.