Weather Forecast for Nagano

Nagano, Japan

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Patchy rain nearby

Current Weather - Nagano: 9°C

Nagano, Japan

Patchy rain nearby

Feels like 8°C

Wind

7 km/h NNE

Humidity

62%

Pressure

1009 mb

UV Index

0

Visibility

10 km

Moderate rain

Moderate rain

Thursday, March 19, 2026

High

8°C

Low

2°C

Rain Chance

91%

Hourly Forecast

Fog 8°C
09:00
Patchy rain nearby 8°C
10:00
Patchy rain nearby 8°C
11:00
Patchy rain nearby 8°C
12:00
Patchy rain nearby 8°C
13:00
Patchy rain nearby 8°C
14:00
Patchy rain nearby 7°C
15:00
Patchy rain nearby 7°C
16:00
Patchy rain nearby 9°C
17:00
Patchy rain nearby 5°C
18:00
Patchy rain nearby 4°C
19:00
Mist 3°C
20:00
Mist 3°C
21:00
Mist 2°C
22:00
Mist 2°C
23:00
Mar 20

Day Statistics

Maximum Wind

9 km/h

Humidity

94%

Precipitation

19 mm

UV Index

0

Visibility

7 km

Rain Chance

91%

Snow Chance

0%

Sun & Moon

Sunrise

05:54 AM

Sunset

05:59 PM

Moonrise

05:46 AM

Moonset

06:17 PM

Moon Phase

New Moon

Moon Illumination

0%

Air Quality

PM2.5

4.5

μg/m³

PM10

5.3

μg/m³

NO₂

5

μg/m³

O₃

92.8

μg/m³

SO₂

2.4

μg/m³

CO

248.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

45.48

Diffuse Radiation

26.9

DNI

45.25

GTI

31.83