How accurate is the forecast for Kōriyama?

Forecasts are pulled from leading meteorological models and refreshed automatically every 30 minutes. Short-range accuracy (next 24 hours) is typically within 1–2°C and 80–90% for precipitation.

How often is the data updated?

Current conditions and the hourly outlook refresh every 30 minutes; daily forecasts every hour.

What does the air-quality (AQI) value mean?

We display the European AQI on a scale from Good (0–20) to Extremely poor (>100), blending PM2.5, PM10, NO₂ and O₃.

Clima Map

Kōriyama JP

July 23, 2026 · 1:33 am

30^°

Mainly clear

Feels like 35°C

Humidity: 68%
Wind: 9 km/h WNW
Pressure: 1007 hPa
Cloud: 35%

14-day forecast

July 23, 2026 Moderate drizzle 97% 32°C / 24°C July 24, 2026 Moderate rain 100% 26°C / 22°C July 25, 2026 Moderate rain 96% 23°C / 21°C July 26, 2026 Moderate showers 85% 24°C / 19°C July 27, 2026 Thunderstorm 69% 23°C / 19°C July 28, 2026 Thunderstorm 73% 28°C / 20°C July 29, 2026 Light drizzle 66% 29°C / 21°C July 30, 2026 Partly cloudy 39% 30°C / 24°C July 31, 2026 Partly cloudy 29% 30°C / 23°C August 1, 2026 Partly cloudy 23% 33°C / 22°C August 2, 2026 Overcast 26% 33°C / 23°C August 3, 2026 Light drizzle 24% 33°C / 24°C August 4, 2026 Overcast 36% 33°C / 23°C August 5, 2026 Moderate drizzle 54% 31°C / 23°C

Nearby weather

Cities near Kōriyama

Compare weather conditions in surrounding cities and open any local forecast instantly.

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Weather notice Forecasts are for general planning. During severe weather, follow official alerts and local authority instructions.