Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 15°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Thursday
11th Dec
15

9

3

2
Friday
12th Dec
13

6

7

3
Saturday
13th Dec
13

6

1

2
Sunday
14th Dec
12

8

4

3
Monday
15th Dec
11

7

9

2

5-day weather forecast updated at 04:02 on Wednesday 10th December 2025 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 11th December 2025

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 15°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a light breeze of 12 kph from the north-west.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
67
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from NW

Nagasaki weather for Friday 12th December 2025

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

13
°C maximum temperature
6
°C minimum temperature
scattered clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Nagasaki weather for Saturday 13th December 2025

Expect mostly cloudy with rain in Nagasaki, Japan with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 14 kph from the north-east.

13
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
95
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Nagasaki weather for Sunday 14th December 2025

Expect sunshine and showers in Nagasaki, Japan with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 18 kph from the north-west.

12
°C maximum temperature
8
°C minimum temperature
sunshine and showers
4
hours of sunshine
3
UV index (Moderate)
47
% chance of some rain
<20
mm of rainfall expected
12
°C wind chill
18
kph wind from NW

Nagasaki weather for Monday 15th December 2025

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 11°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.