How accurate is the forecast for Yamanashi?

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

Yamanashi JP

July 26, 2026 · 1:14 am

30^°

Mainly clear

Feels like 37°C

Humidity: 65%
Wind: 3 km/h SW
Pressure: 1007 hPa
Cloud: 24%

UV index

High

6.9

Reduce midday sun exposure. Use SPF 30+.

Nearby weather

Cities near Yamanashi

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

4.5 km Enzan JP View forecast 6.3 km Isawa JP View forecast 6.7 km Fuefuki JP View forecast 8.8 km Kōshū JP View forecast 11.9 km Kofu JP View forecast 15.5 km Shōwa JP View forecast 17.1 km Kai JP View forecast 18.1 km Ryūō JP View forecast

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