Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 25°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Thursday
28th May
25

22

1

9
Friday
29th May
28

20

11

9
Saturday
30th May
28

19

12

10
Sunday
31st May
31

20

14

9
Monday
1st Jun
30

20

5

10

5-day weather forecast updated at 04:01 on Wednesday 27th May 2026 GMT

More about Nagasaki

Nagasaki by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Japan

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 28th May 2026

Expect overcast skies in Nagasaki, Japan with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

25
°C maximum temperature
22
°C minimum temperature
overcast skies
1
hour of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NW

Nagasaki weather for Friday 29th May 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

28
°C maximum temperature
20
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from NW

Nagasaki weather for Saturday 30th May 2026

Expect clear skies in Nagasaki, Japan with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

28
°C maximum temperature
19
°C minimum temperature
clear skies
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from N

Nagasaki weather for Sunday 31st May 2026

Expect clear skies in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the west.

31
°C maximum temperature
20
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from W

Nagasaki weather for Monday 1st June 2026

Expect isolated thunderstorms in Nagasaki, Japan with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 28% chance of some rain and little or no wind of 6 kph from the south-east.