Jōetsu weather — 10-day forecast
Temperature, rain, wind and feels-like in Jōetsu, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 02:00 · DWD ICON global model
27 °C
Mainly clear
Feels like 33 °C
Next 12 h
↓ 27°05:00↑ 28°10:00
- Humidity
- 87 %
- Dew point
- 25 °C
- Gusts
- 7.3 km/h
- Clouds
- 39 %
- Pressure
- 1,008 hPa ↓
- Storm
- possible
Grid point 2.9 km away · 13.0 km grid · elevation 16 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 42.4µg/m³
- PM2.5
- 7.3µg/m³
- PM10
- 7.6µg/m³
- Nitrogen dioxide
- 6.1µg/m³
- Sulphur dioxide
- 2.4µg/m³
- Carbon monoxide
- 162.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
9 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Showers100 %
28°
27°
Sun
Light showers100 %
27°
26°
Mon
Light drizzle94 %
28°
25°
Tue
Rain68 %
27°
24°
Wed
Light rain56 %
28°
24°
Thu
Clear sky
31°
25°
Fri
Overcast
32°
27°
Sat
Light drizzle0 mm
28°
25°
Sun
Thunderstorm15 mm
28°
25°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 04:58
- Daylight
- 13 h 50
- Sunset
- 18:48
Radiation · 13.4 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Jōetsu the mean temperature will be 27.4 °C — +0.7 °C against the normal for 8 August, measured from 1940 to 2026. (1,290 obs.)