Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 26°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Monday
21st Sep
26

23

6

6
Tuesday
22nd Sep
28

22

10

7
Wednesday
23rd Sep
27

21

9

7
Thursday
24th Sep
28

21

10

4
Friday
25th Sep
27

23

4

4

5-day weather forecast updated at 04:01 on Sunday 20th 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 Monday 21st September 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

26
°C maximum temperature
23
°C minimum temperature
scattered clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from N

Nagasaki weather for Tuesday 22nd 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 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

28
°C maximum temperature
22
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from NE

Nagasaki weather for Wednesday 23rd September 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 27°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 a light breeze of 10 kph from the north-east.

27
°C maximum temperature
21
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
10
kph wind from NE

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 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

28
°C maximum temperature
21
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
6
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 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.