Live Weather & Forecast
Weather in Nagai
Yamagata, Japan · Real-time conditions & 3-day outlook
12°C
Feels like 13°C
54°F / Feels 55°F
Light rain
Nagai, Yamagata
🌙 Nighttime
Updated: 2026-04-15 22:15
Humidity
93%
Wind
3.6 km/h NNW
Wind Gust
4.3 km/h
Pressure
1012 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
1.29 mm
Cloud Cover
100%
Dew Point
11.3°C
Wind Degree
333°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
192.9 μg/m³
NO₂
1.9 μg/m³
O₃
129 μg/m³
SO₂
2.4 μg/m³
PM 2.5
7.8 μg/m³
PM 10
14.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Nagai, Yamagata
12 AM
9°
Cloudy
1 AM
9°
Cloudy
2 AM
9°
Partly Cloudy
3 AM
9°
Cloudy
4 AM
9°
Overcast
5 AM
9°
Partly Cloudy
6 AM
10°
Cloudy
7 AM
12°
Partly Cloudy
8 AM
14°
Partly Cloudy
9 AM
15°
Overcast
10 AM
17°
Overcast
11 AM
19°
Overcast
12 PM
20°
Partly Cloudy
1 PM
21°
Patchy rain nearby
2 PM
21°
Patchy rain nearby
3 PM
20°
Patchy rain nearby
4 PM
19°
Patchy rain nearby
5 PM
17°
Patchy rain nearby
6 PM
15°
Light rain shower
7 PM
14°
Light rain shower
8 PM
13°
Light rain shower
9 PM
13°
Light rain shower
10 PM
12°
Light rain
11 PM
12°
Light rain
3-Day Forecast
Daily overview for Nagai, Yamagata
Today
Moderate rain
21°
/
9°
🌧️ 96% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 5.65 mm
☀️ UV Index: 1.5
🌅 Sunrise: 05:05 AM
🌇 Sunset: 06:15 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
15°
/
7°
🌧️ 95% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 3.9 mm
☀️ UV Index: 1
🌅 Sunrise: 05:03 AM
🌇 Sunset: 06:16 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
18°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 05:02 AM
🌇 Sunset: 06:17 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Nagai
Plan your trip to Nagai, 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 Nagai?
Current conditions in Nagai: Light rain, temperature 12°C, humidity 93%.
What is the best time to visit Nagai?
The best time to visit Nagai is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Nagai?
Nagai is located at approximately 38.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Nagai?
The wettest period in Nagai is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Nagai?
For visits to Nagai during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Nagai in 2026?
View the 2026 public holidays for Nagai on our Holidays page.
What are the GPS coordinates used for the weather forecast in Nagai?
The weather forecast for Nagai uses coordinates 38.1075, 140.0403.