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.

Monday
14th Sep
30

26

7

8
Tuesday
15th Sep
28

24

6

5
Wednesday
16th Sep
29

24

8

6

5-day weather forecast updated at 04:01 on Thursday 10th 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 14th September 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a light breeze of 8 kph from the north.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
70
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from N

Nagasaki weather for Tuesday 15th September 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and little or no wind of 6 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
88
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
6
kph wind from E

Nagasaki weather for Wednesday 16th September 2026

Expect sunshine and showers in Nagasaki, Japan with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 86% chance of some rain and a light breeze of 8 kph from the north-east.