How accurate is the forecast for Nagaoka?

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

Nagaoka JP

July 24, 2026 · 1:02 am

28^°

Nublado

Sensación 34°C

Humedad: 82%
Viento: 6 km/h WSW
Presión: 1011 hPa
Cloud: 100%

Pronóstico de 7 días

July 24, 2026 Lluvia moderada 96% 29°C / 24°C July 25, 2026 Moderate drizzle 100% 29°C / 25°C July 26, 2026 Lluvia moderada 82% 26°C / 24°C July 27, 2026 Tormenta eléctrica 90% 27°C / 21°C July 28, 2026 Thunderstorm with hail 69% 28°C / 22°C July 29, 2026 Thunderstorm with hail 71% 29°C / 22°C July 30, 2026 Tormenta eléctrica 52% 30°C / 23°C

Clima cercano

Ciudades cerca de Nagaoka

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

11.8 km Mitsuke JP View forecast 13.1 km Tochio-honchō JP View forecast 17.3 km Ojiya JP View forecast 20.5 km Sanjō JP View forecast 24.8 km Tsubame JP View forecast 24.9 km Uonuma JP View forecast 26.1 km Yoshida-kasugachō JP View forecast 27.8 km Yahiko JP View forecast

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