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Weather Forecast for Nagano

Nagano, Japan

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Cloudy

Current Weather - Nagano: 15°C

Nagano, Japan

Cloudy

Feels like 15°C

Wind

4 km/h NE

Humidity

86%

Pressure

1018 mb

UV Index

3

Visibility

10 km
Fog

Fog

Thursday, September 10, 2026

High

17°C

Low

11°C

Rain Chance

81%

Hourly Forecast

Fog 11°C
04:00
Fog 11°C
05:00
Fog 11°C
06:00
Fog 11°C
07:00
Mist 12°C
08:00
Mist 12°C
09:00
Patchy rain nearby 13°C
10:00
Cloudy 15°C
11:00
Cloudy 17°C
12:00
Patchy rain nearby 17°C
13:00
Overcast 15°C
14:00
Patchy rain nearby 14°C
15:00
Patchy rain nearby 13°C
16:00
Patchy rain nearby 13°C
17:00
Mist 12°C
18:00
Light rain shower 13°C
19:00
Light rain shower 13°C
20:00
Light rain shower 13°C
21:00
Fog 13°C
22:00
Fog 13°C
23:00
Sep 11

Day Statistics

Maximum Wind

8 km/h

Humidity

94%

Precipitation

2 mm

UV Index

3

Visibility

5 km

Rain Chance

81%

Snow Chance

0%

Sun & Moon

Sunrise

05:26 AM

Sunset

06:03 PM

Moonrise

03:46 AM

Moonset

05:22 PM

Moon Phase

New Moon

Moon Illumination

0%

Air Quality

PM2.5

6.5

μg/m³

PM10

7.2

μg/m³

NO₂

6.3

μg/m³

O₃

81

μg/m³

SO₂

1.9

μg/m³

CO

372.9

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

61.02

Diffuse Radiation

41.64

DNI

0

GTI

0