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
14th May
25

17

10

8
Friday
15th May
26

18

13

8
Saturday
16th May
26

18

12

8
Sunday
17th May
26

18

4

9
Monday
18th May
25

18

9

7

5-day weather forecast updated at 04:01 on Wednesday 13th May 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 14th May 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

25
°C maximum temperature
17
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
7
kph wind from W

Nagasaki weather for Friday 15th May 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the east.

26
°C maximum temperature
18
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from E

Nagasaki weather for Saturday 16th May 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

26
°C maximum temperature
18
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from NE

Nagasaki weather for Sunday 17th May 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

26
°C maximum temperature
18
°C minimum temperature
broken clouds
4
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from W

Nagasaki weather for Monday 18th May 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 25°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.