Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 16°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Thursday
30th Apr
16

13

0

2
Friday
1st May
18

15

11

6
Saturday
2nd May
21

14

5

7
Sunday
3rd May
20

18

0

3
Monday
4th May
19

14

12

8

5-day weather forecast updated at 04:01 on Wednesday 29th 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 30th April 2026

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 75% chance of some rain and a light breeze of 10 kph from the north-east.

16
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
75
% chance of some rain
<30
mm of rainfall expected
16
°C wind chill
10
kph wind from NE

Nagasaki weather for Friday 1st May 2026

Expect sunshine and showers in Nagasaki, Japan with a maximum temperature of 18°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 19 kph from the north-west.

18
°C maximum temperature
15
°C minimum temperature
sunshine and showers
11
hours of sunshine
6
UV index (High)
15
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from NW

Nagasaki weather for Saturday 2nd May 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 21°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

21
°C maximum temperature
14
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
21
°C wind chill
7
kph wind from SW

Nagasaki weather for Sunday 3rd May 2026

Expect cloudy with some rain in Nagasaki, Japan with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 23 kph from the south.

20
°C maximum temperature
18
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
100
% chance of some rain
<40
mm of rainfall expected
20
°C wind chill
23
kph wind from S

Nagasaki weather for Monday 4th May 2026

Expect sunshine and showers in Nagasaki, Japan with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 16 kph from the north-west.