How accurate is the forecast for Uonuma?

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

Uonuma JP

July 24, 2026 · 2:14 am

28^°

Couvert

Ressenti 34°C

Humidité: 80%
Vent: 4 km/h NW
Pression: 1010 hPa
Cloud: 100%

July 29, 2026 · July 29, 2026

Thunderstorm with hail

29°C · 22°C

Pluie : 13.6 mm · UV: 7.25 · Vent : 9 km/h

Météo proche

Villes près de Uonuma

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

15.6 km Ojiya JP View forecast 19.7 km Minamiuonuma JP View forecast 21 km Muikamachi JP View forecast 21.3 km Tōkamachi JP View forecast 24.9 km Nagaoka JP View forecast 25.2 km Shiozawa JP View forecast 25.9 km Tochio-honchō JP View forecast 32.2 km Mitsuke JP View forecast

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