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.

Monday
29th Dec
15

7

4

2
Tuesday
30th Dec
12

6

1

3
Wednesday
31st Dec
9

5

0

2
Thursday
1st Jan
7

3

1

2
Friday
2nd Jan
5

2

5

2

5-day weather forecast updated at 04:02 on Monday 29th 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 Monday 29th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 15°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

15
°C maximum temperature
7
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from SW

Nagasaki weather for Tuesday 30th December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

12
°C maximum temperature
6
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from N

Nagasaki weather for Wednesday 31st December 2025

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 9°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

9
°C maximum temperature
5
°C minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
14
kph wind from N

Nagasaki weather for Thursday 1st January 2026

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 7°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 13 kph from the north.

7
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
13
kph wind from N

Nagasaki weather for Friday 2nd January 2026

Expect cloudy with sleet or snow in Nagasaki, Japan with a maximum temperature of 5°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 56% chance of some sleet or snow and a moderate breeze of 20 kph from the north-west.