Live Weather & Forecast
Weather in Koriyama
Fukushima, Japan · Real-time conditions & 3-day outlook
13°C
Feels like 13°C
55°F / Feels 55°F
Light rain
Koriyama, Fukushima
🌙 Nighttime
Updated: 2026-04-15 23:45
Humidity
94%
Wind
3.6 km/h N
Wind Gust
10.8 km/h
Pressure
1012 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
0.91 mm
Cloud Cover
100%
Dew Point
11.9°C
Wind Degree
355°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
161.9 μg/m³
NO₂
1.8 μg/m³
O₃
130 μg/m³
SO₂
2.5 μg/m³
PM 2.5
4.8 μg/m³
PM 10
7.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Koriyama, Fukushima
12 AM
12°
Overcast
1 AM
12°
Overcast
2 AM
11°
Overcast
3 AM
11°
Overcast
4 AM
10°
Mist
5 AM
10°
Mist
6 AM
12°
Overcast
7 AM
13°
Patchy rain nearby
8 AM
15°
Patchy rain nearby
9 AM
16°
Patchy rain nearby
10 AM
18°
Patchy rain nearby
11 AM
20°
Partly Cloudy
12 PM
21°
Partly Cloudy
1 PM
21°
Partly Cloudy
2 PM
21°
Partly Cloudy
3 PM
20°
Patchy rain nearby
4 PM
19°
Patchy rain nearby
5 PM
18°
Patchy rain nearby
6 PM
14°
Patchy rain nearby
7 PM
13°
Patchy rain nearby
8 PM
13°
Patchy rain nearby
9 PM
13°
Patchy rain nearby
10 PM
13°
Light drizzle
11 PM
13°
Light rain
3-Day Forecast
Daily overview for Koriyama, Fukushima
Today
Patchy rain nearby
21°
/
10°
🌧️ 96% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 1.59 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:05 AM
🌇 Sunset: 06:13 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
16°
/
5°
🌧️ 95% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 3.64 mm
☀️ UV Index: 0.6
🌅 Sunrise: 05:03 AM
🌇 Sunset: 06:14 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
18°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 05:02 AM
🌇 Sunset: 06:15 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Koriyama
Plan your trip to Koriyama, 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 Koriyama?
Current conditions in Koriyama: Light rain, temperature 13°C, humidity 94%.
What is the best time to visit Koriyama?
The best time to visit Koriyama is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Koriyama?
Koriyama is located at approximately 37.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Koriyama?
The wettest period in Koriyama is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Koriyama?
For visits to Koriyama during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Koriyama in 2026?
View the 2026 public holidays for Koriyama on our Holidays page.
What are the GPS coordinates used for the weather forecast in Koriyama?
The weather forecast for Koriyama uses coordinates 37.4049, 140.3334.