Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 31°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Friday
17th Jul
31

27

4

9
Saturday
18th Jul
31

28

7

10
Sunday
19th Jul
31

27

6

10
Monday
20th Jul
31

27

6

9
Tuesday
21st Jul
31

27

7

9

5-day weather forecast updated at 04:01 on Thursday 16th July 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 Friday 17th July 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 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

31
°C maximum temperature
27
°C minimum temperature
broken clouds
4
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SW

Nagasaki weather for Saturday 18th July 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

31
°C maximum temperature
28
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from S

Nagasaki weather for Sunday 19th July 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 13 kph from the south.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
41
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from S

Nagasaki weather for Monday 20th July 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 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

31
°C maximum temperature
27
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from SW

Nagasaki weather for Tuesday 21st July 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 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.