Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 10°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Wednesday
3rd Dec
10

5

3

1
Thursday
4th Dec
10

5

1

2
Friday
5th Dec
11

5

6

3
Saturday
6th Dec
13

5

4

3
Sunday
7th Dec
17

9

5

3

5-day weather forecast updated at 04:01 on Tuesday 2nd 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 Wednesday 3rd December 2025

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 10°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 19 kph from the north.

10
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
39
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
19
kph wind from N

Nagasaki weather for Thursday 4th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 10°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

10
°C maximum temperature
5
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
14
kph wind from NW

Nagasaki weather for Friday 5th December 2025

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

11
°C maximum temperature
5
°C minimum temperature
scattered clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Nagasaki weather for Saturday 6th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-east.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
kph wind from NE

Nagasaki weather for Sunday 7th December 2025

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

17
°C maximum temperature
9
°C minimum temperature
scattered clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from W

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Metric (°C / mm) | Imperial (°F / inches)

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Japan - quick facts
Flight time^✝	11.5 to 15 hours
Time difference	UK +9 hours
Language(s)	Japanese
Currency	Japanese Yen
Electricity	A + B plug (100V)
Driving side	Left
Why visit?	Culture Nature Nightlife
Tourist info	Japan National Tourism Organization