Live Weather & Forecast
Weather in Itoigawa
Niigata, Japan · Real-time conditions & 3-day outlook
12°C
Feels like 12°C
54°F / Feels 54°F
Light rain
Itoigawa, Niigata
🌙 Nighttime
Updated: 2026-04-15 18:30
Humidity
94%
Wind
4.3 km/h NW
Wind Gust
5 km/h
Pressure
1011 mb
Visibility
7 km
UV Index
0
(Low)
Precipitation
2.5 mm
Cloud Cover
100%
Dew Point
10.5°C
Wind Degree
324°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
295.9 μg/m³
NO₂
9 μg/m³
O₃
71 μg/m³
SO₂
6.8 μg/m³
PM 2.5
18.8 μg/m³
PM 10
21.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Itoigawa, Niigata
12 AM
12°
Partly Cloudy
1 AM
12°
Patchy rain nearby
2 AM
11°
Patchy rain nearby
3 AM
11°
Cloudy
4 AM
11°
Patchy rain nearby
5 AM
11°
Patchy rain nearby
6 AM
11°
Partly Cloudy
7 AM
13°
Patchy rain nearby
8 AM
16°
Patchy rain nearby
9 AM
16°
Partly Cloudy
10 AM
16°
Patchy rain nearby
11 AM
17°
Patchy rain nearby
12 PM
17°
Patchy rain nearby
1 PM
15°
Light drizzle
2 PM
15°
Patchy rain nearby
3 PM
14°
Light drizzle
4 PM
13°
Patchy light drizzle
5 PM
12°
Light rain
6 PM
12°
Light rain
7 PM
11°
Light rain
8 PM
11°
Light rain
9 PM
11°
Light rain
10 PM
11°
Light rain
11 PM
11°
Light rain
3-Day Forecast
Daily overview for Itoigawa, Niigata
Today
Moderate rain
17°
/
11°
🌧️ 97% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 7.9 km/h
🌧️ Total precip: 13.47 mm
☀️ UV Index: 0.7
🌅 Sunrise: 05:14 AM
🌇 Sunset: 06:21 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
14°
/
8°
🌧️ 95% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0.5 mm
☀️ UV Index: 1.3
🌅 Sunrise: 05:12 AM
🌇 Sunset: 06:22 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
17°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 55%
💨 Max wind: 9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:11 AM
🌇 Sunset: 06:23 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Itoigawa
Plan your trip to Itoigawa, 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 Itoigawa?
Current conditions in Itoigawa: Light rain, temperature 12°C, humidity 94%.
What is the best time to visit Itoigawa?
The best time to visit Itoigawa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Itoigawa?
Itoigawa is located at approximately 37° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Itoigawa?
The wettest period in Itoigawa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Itoigawa?
For visits to Itoigawa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Itoigawa in 2026?
View the 2026 public holidays for Itoigawa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Itoigawa?
The weather forecast for Itoigawa uses coordinates 37.0433, 137.8618.