Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 16°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Tuesday
23rd Dec
16

7

8

3
Wednesday
24th Dec
18

13

1

1
Thursday
25th Dec
13

5

2

2
Friday
26th Dec
6

2

5

1
Saturday
27th Dec
9

3

2

3

5-day weather forecast updated at 04:01 on Monday 22nd 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 Tuesday 23rd December 2025

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

16
°C maximum temperature
7
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
7
kph wind from SE

Nagasaki weather for Wednesday 24th December 2025

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 18°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a light breeze of 9 kph from the north-west.

18
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
68
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
9
kph wind from NW

Nagasaki weather for Thursday 25th December 2025

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 13°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a moderate breeze of 20 kph from the north-west.

13
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
4
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
20
kph wind from NW

Nagasaki weather for Friday 26th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 6°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.

6
°C maximum temperature
2
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
19
kph wind from N

Nagasaki weather for Saturday 27th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.