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.

Wednesday
24th Dec
15

13

0

1
Thursday
25th Dec
13

5

1

2
Friday
26th Dec
5

2

4

2
Saturday
27th Dec
8

2

3

2
Sunday
28th Dec
11

3

8

2

5-day weather forecast updated at 04:01 on Tuesday 23rd 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 24th December 2025

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 15°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 54% chance of some rain and a light breeze of 8 kph from the north-west.

15
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
54
% chance of some rain
<20
mm of rainfall expected
15
°C wind chill
8
kph wind from NW

Nagasaki weather for Thursday 25th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from NW

Nagasaki weather for Friday 26th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 5°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

5
°C maximum temperature
2
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
21
kph wind from NW

Nagasaki weather for Saturday 27th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 8°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

8
°C maximum temperature
2
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
8
kph wind from N

Nagasaki weather for Sunday 28th December 2025

Expect clear skies in Nagasaki, Japan with a maximum temperature of 11°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.