Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 17°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Thursday
23rd Apr
17

15

0

1
Friday
24th Apr
21

15

6

8
Saturday
25th Apr
23

15

7

7
Sunday
26th Apr
21

17

2

6
Monday
27th Apr
22

16

10

7

5-day weather forecast updated at 04:01 on Thursday 23rd April 2026 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 23rd April 2026

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 14 kph from the north.

17
°C maximum temperature
15
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
59
% chance of some rain
<30
mm of rainfall expected
17
°C wind chill
14
kph wind from N

Nagasaki weather for Friday 24th April 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

21
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

Nagasaki weather for Saturday 25th April 2026

Expect sunshine and showers in Nagasaki, Japan with a maximum temperature of 23°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and little or no wind of 6 kph from the east.

23
°C maximum temperature
15
°C minimum temperature
sunshine and showers
7
hours of sunshine
7
UV index (High)
20
% chance of some rain
<2
mm of rainfall expected
23
°C wind chill
6
kph wind from E

Nagasaki weather for Sunday 26th April 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 21°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 51% chance of some rain and little or no wind of 6 kph from the north-east.

21
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
51
% chance of some rain
<20
mm of rainfall expected
21
°C wind chill
6
kph wind from NE

Nagasaki weather for Monday 27th April 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 22°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.