Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 29°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Wednesday
15th Jul
29

27

4

6
Thursday
16th Jul
30

28

4

8
Friday
17th Jul
31

27

4

7
Saturday
18th Jul
31

27

6

5
Sunday
19th Jul
31

28

6

9

5-day weather forecast updated at 04:01 on Wednesday 15th July 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 Wednesday 15th July 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

29
°C maximum temperature
27
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from SW

Nagasaki weather for Thursday 16th July 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

30
°C maximum temperature
28
°C minimum temperature
broken clouds
4
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SW

Nagasaki weather for Friday 17th July 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

31
°C maximum temperature
27
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SW

Nagasaki weather for Saturday 18th July 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

31
°C maximum temperature
27
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from S

Nagasaki weather for Sunday 19th July 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.