Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 19°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Sunday
19th Apr
19

17

1

7
Monday
20th Apr
21

17

7

9
Tuesday
21st Apr
22

15

5

7
Wednesday
22nd Apr
22

14

1

7
Thursday
23rd Apr
20

16

0

0

5-day weather forecast updated at 04:01 on Sunday 19th 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 Sunday 19th April 2026

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a light breeze of 7 kph from the east.

19
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
1
hour of sunshine
7
UV index (High)
84
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
7
kph wind from E

Nagasaki weather for Monday 20th April 2026

Expect sunshine and showers in Nagasaki, Japan with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a light breeze of 9 kph from the west.

21
°C maximum temperature
17
°C minimum temperature
sunshine and showers
7
hours of sunshine
9
UV index (Very High)
7
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
9
kph wind from W

Nagasaki weather for Tuesday 21st April 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 22°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

22
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
12
kph wind from NE

Nagasaki weather for Wednesday 22nd April 2026

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 22°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a light breeze of 7 kph from the south-east.

22
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
7
UV index (High)
55
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
7
kph wind from SE

Nagasaki weather for Thursday 23rd April 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 20°C and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 98% chance of some rain and a gentle breeze of 15 kph from the south-east.