Nagano weather — 10-day forecast
Temperature, rain, wind and feels-like in Nagano, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 10:00 · DWD ICON global model
26 °C
Light drizzle
Feels like 30 °C
Next 12 h
↑ 27°12:00↓ 22°22:00
- Humidity
- 81 %
- Dew point
- 23 °C
- Gusts
- 11.6 km/h
- Clouds
- 100 %
- Pressure
- 1,010 hPa ↓
- UV
- 6 · high
- Storm
- possible
Grid point 5.9 km away · 13.0 km grid · elevation 674 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 95.2µg/m³
- PM2.5
- 6.0µg/m³
- PM10
- 6.2µg/m³
- Nitrogen dioxide
- 1.3µg/m³
- Sulphur dioxide
- 3.2µg/m³
- Carbon monoxide
- 122.0µg/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.
10 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
Thunderstorm100 %
27°
22°
Sun
Thunderstorm90 %
26°
21°
Mon
Mainly clear48 %
30°
20°
Tue
Partly cloudy64 %
28°
19°
Wed
Partly cloudy86 %
27°
19°
Thu
Rain24 mm
30°
20°
Fri
Mainly clear
31°
22°
Sat
Thunderstorm3 mm
27°
21°
Sun
Partly cloudy
29°
20°
Mon
Light drizzle1 mm
26°
20°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 04:59
- Daylight
- 13 h 48
- Sunset
- 18:47
Radiation · 13.6 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 Nagano the mean temperature will be 23.9 °C — +1.1 °C against the normal for 8 August, measured from 1940 to 2026. (1,290 obs.)