Live Weather & Forecast
Weather in Nagaoka
Niigata, Japan · Real-time conditions & 3-day outlook
13°C
Feels like 13°C
55°F / Feels 56°F
Light rain
Nagaoka, Niigata
🌙 Nighttime
Updated: 2026-04-15 19:00
Humidity
88%
Wind
4.3 km/h WSW
Wind Gust
5.3 km/h
Pressure
1011 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
1.93 mm
Cloud Cover
75%
Dew Point
10.4°C
Wind Degree
257°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
351.9 μg/m³
NO₂
13.6 μg/m³
O₃
67 μg/m³
SO₂
9.9 μg/m³
PM 2.5
20.5 μg/m³
PM 10
24.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Nagaoka, Niigata
12 AM
11°
Cloudy
1 AM
11°
Partly Cloudy
2 AM
11°
Partly Cloudy
3 AM
11°
Cloudy
4 AM
11°
Overcast
5 AM
11°
Cloudy
6 AM
12°
Partly Cloudy
7 AM
15°
Partly Cloudy
8 AM
17°
Partly Cloudy
9 AM
19°
Cloudy
10 AM
21°
Partly Cloudy
11 AM
22°
Sunny
12 PM
23°
Sunny
1 PM
22°
Partly Cloudy
2 PM
21°
Cloudy
3 PM
18°
Patchy rain nearby
4 PM
15°
Light drizzle
5 PM
13°
Light drizzle
6 PM
12°
Light rain
7 PM
13°
Light rain
8 PM
12°
Light rain
9 PM
12°
Light rain
10 PM
12°
Light rain
11 PM
12°
Light rain
3-Day Forecast
Daily overview for Nagaoka, Niigata
Today
Moderate rain
23°
/
11°
🌧️ 96% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 13.7 km/h
🌧️ Total precip: 8.5 mm
☀️ UV Index: 1.2
🌅 Sunrise: 05:11 AM
🌇 Sunset: 06:19 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
14°
/
8°
🌧️ 95% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 13 km/h
🌧️ Total precip: 1.08 mm
☀️ UV Index: 0.8
🌅 Sunrise: 05:09 AM
🌇 Sunset: 06:20 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
22°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 56%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:08 AM
🌇 Sunset: 06:21 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Nagaoka
Plan your trip to Nagaoka, Japan around the most favorable weather conditions.
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 Nagaoka?
Current conditions in Nagaoka: Light rain, temperature 13°C, humidity 88%.
What is the best time to visit Nagaoka?
The best time to visit Nagaoka is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Nagaoka?
Nagaoka is located at approximately 37.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Nagaoka?
The wettest period in Nagaoka is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Nagaoka?
For visits to Nagaoka during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Nagaoka in 2026?
View the 2026 public holidays for Nagaoka on our Holidays page.
What are the GPS coordinates used for the weather forecast in Nagaoka?
The weather forecast for Nagaoka uses coordinates 37.447, 138.8512.