Nagasaki weather live forecast

Today's maximum temperature in Nagasaki is expected to be 14°C. Select a day from the live weather forecast for Nagasaki, Japan for more weather parameters.

Tuesday
17th Feb
14

7

9

4
Wednesday
18th Feb
11

6

11

4
Thursday
19th Feb
12

5

6

4
Friday
20th Feb
13

7

10

2
Saturday
21st Feb
16

8

7

4

5-day weather forecast updated at 04:02 on Tuesday 17th February 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 17th February 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

14
°C maximum temperature
7
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
8
kph wind from N

Nagasaki weather for Wednesday 18th February 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

11
°C maximum temperature
6
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
11
°C wind chill
16
kph wind from NW

Nagasaki weather for Thursday 19th February 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

12
°C maximum temperature
5
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
12
°C wind chill
7
kph wind from W

Nagasaki weather for Friday 20th February 2026

Expect scattered clouds in Nagasaki, Japan with a maximum temperature of 13°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

13
°C maximum temperature
7
°C minimum temperature
scattered clouds
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from W

Nagasaki weather for Saturday 21st February 2026

Expect broken clouds in Nagasaki, Japan with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.