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Weather Forecast for Nagano

Nagano, Japan

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Sunny

Current Weather - Nagano: 30°C

Nagano, Japan

Sunny

Feels like 31°C

Wind

5 km/h NNE

Humidity

51%

Pressure

1006 mb

UV Index

9

Visibility

10 km
Patchy rain nearby

Patchy rain nearby

Friday, July 31, 2026

High

31°C

Low

16°C

Rain Chance

60%

Hourly Forecast

Partly Cloudy 16°C
04:00
Partly Cloudy 16°C
05:00
Partly Cloudy 19°C
06:00
Partly Cloudy 22°C
07:00
Partly Cloudy 23°C
08:00
Sunny 26°C
09:00
Sunny 28°C
10:00
Sunny 30°C
11:00
Patchy rain nearby 30°C
12:00
Patchy rain nearby 29°C
13:00
Patchy rain nearby 31°C
14:00
Patchy rain nearby 30°C
15:00
Patchy rain nearby 30°C
16:00
Patchy rain nearby 28°C
17:00
Patchy rain nearby 21°C
18:00
Patchy rain nearby 19°C
19:00
Patchy rain nearby 18°C
20:00
Mist 18°C
21:00
Mist 18°C
22:00
Mist 17°C
23:00
Aug 01

Day Statistics

Maximum Wind

9 km/h

Humidity

77%

Precipitation

2 mm

UV Index

9

Visibility

9 km

Rain Chance

60%

Snow Chance

0%

Sun & Moon

Sunrise

04:54 AM

Sunset

06:54 PM

Moonrise

07:58 PM

Moonset

06:20 AM

Moon Phase

Waning Gibbous

Moon Illumination

91%

Air Quality

PM2.5

11.2

μg/m³

PM10

14.4

μg/m³

NO₂

6.6

μg/m³

O₃

73

μg/m³

SO₂

1.4

μg/m³

CO

178.3

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

720.58

Diffuse Radiation

304.66

DNI

375.67

GTI

562.41