Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 18°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Tuesday
14th Apr
18

17

1

5
Wednesday
15th Apr
19

17

2

6
Thursday
16th Apr
23

16

10

9
Friday
17th Apr
21

16

0

4
Saturday
18th Apr
19

17

0

2

5-day weather forecast updated at 04:01 on Tuesday 14th 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 Tuesday 14th April 2026

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and little or no wind of 5 kph from the east.

18
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
1
hour of sunshine
5
UV index (Moderate)
91
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
5
kph wind from E

Nagasaki weather for Wednesday 15th April 2026

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 27% chance of some rain and a light breeze of 11 kph from the north.

19
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
6
UV index (High)
27
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
11
kph wind from N

Nagasaki weather for Thursday 16th April 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 23°C, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

23
°C maximum temperature
16
°C minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Nagasaki weather for Friday 17th April 2026

Expect mostly cloudy with light rain in Nagasaki, Japan with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a light breeze of 11 kph from the south-east.

21
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
4
UV index (Moderate)
44
% chance of some rain
<5
mm of rainfall expected
21
°C wind chill
11
kph wind from SE

Nagasaki weather for Saturday 18th April 2026

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 63% chance of some rain and a light breeze of 11 kph from the east.