Live Weather & Forecast
Weather in Nagasaki
Japan · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
60°F / Feels 60°F
Patchy rain nearby
Nagasaki, Japan
🌞 Daytime
Updated: 2026-04-15 15:30
Humidity
93%
Wind
13.7 km/h NNW
Wind Gust
19.2 km/h
Pressure
1009 mb
Visibility
10 km
UV Index
0.9
(Low)
Precipitation
0.01 mm
Cloud Cover
100%
Dew Point
14.2°C
Wind Degree
334°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
368.9 μg/m³
NO₂
14.8 μg/m³
O₃
79 μg/m³
SO₂
7 μg/m³
PM 2.5
11.8 μg/m³
PM 10
13.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Nagasaki, Japan
12 AM
15°
Light drizzle
1 AM
15°
Light rain
2 AM
15°
Light rain
3 AM
15°
Moderate rain
4 AM
15°
Light rain
5 AM
15°
Light rain
6 AM
15°
Light rain
7 AM
15°
Light rain
8 AM
15°
Light rain shower
9 AM
15°
Light rain
10 AM
15°
Light drizzle
11 AM
15°
Light drizzle
12 PM
16°
Light drizzle
1 PM
15°
Mist
2 PM
15°
Patchy rain nearby
3 PM
15°
Patchy rain nearby
4 PM
15°
Patchy rain nearby
5 PM
15°
Patchy rain nearby
6 PM
15°
Patchy rain nearby
7 PM
14°
Cloudy
8 PM
14°
Overcast
9 PM
14°
Cloudy
10 PM
14°
Cloudy
11 PM
14°
Cloudy
3-Day Forecast
Daily overview for Nagasaki, Japan
Today
Moderate rain
16°
/
14°
🌧️ 99% chance of rain
💧 Avg. humidity: 96%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 16.7 mm
☀️ UV Index: 0.3
🌅 Sunrise: 05:46 AM
🌇 Sunset: 06:47 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
19°
/
11°
🌧️ 89% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0.22 mm
☀️ UV Index: 2.1
🌅 Sunrise: 05:45 AM
🌇 Sunset: 06:48 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
18°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 22.3 km/h
🌧️ Total precip: 0.05 mm
☀️ UV Index: 1.5
🌅 Sunrise: 05:44 AM
🌇 Sunset: 06:49 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Nagasaki
Plan your trip around the most favorable weather conditions in Nagasaki, Japan.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Nagasaki?
Current conditions in Nagasaki: Patchy rain nearby, temperature 15°C, humidity 93%.
What is the best time to visit Nagasaki?
The best time to visit Nagasaki is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Nagasaki?
Nagasaki shares the climate of Japan. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Nagasaki?
Rainfall patterns in Nagasaki vary by season. Peak rainfall typically occurs outside of the dry season.
What should I pack for Nagasaki?
For visits during June – September: light clothing and sun protection. For the November – March period: layers and a waterproof jacket are recommended for Nagasaki.
What country is Nagasaki in?
Nagasaki is a state/province of Japan.
What are the public holidays in Nagasaki in 2026?
View the full list of 2026 public holidays for Nagasaki on our Holidays page.
What are the coordinates for the weather forecast in Nagasaki?
The weather forecast for Nagasaki is based on coordinates 34.0471, 130.9157.