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 · 12:04 am

28^°

Nublado

Sensación 34°C

Humedad: 81%
Viento: 6 km/h SW
Presión: 1010 hPa
Cloud: 83%

Hoy · July 24, 2026

Lluvia moderada

29°C · 24°C

Lluvia: 16.4 mm · UV: 6.45 · Viento: 9 km/h

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.