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Weather Forecast for Nagano

Nagano, Japan

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Current Weather - Nagano: 10°C

Nagano, Japan

Clear

Feels like 10°C

Wind

7 km/h S

Humidity

83%

Pressure

1020 mb

UV Index

0

Visibility

10 km
Sunny

Sunny

Tuesday, May 19, 2026

High

30°C

Low

10°C

Rain Chance

0%

Hourly Forecast

Clear 12°C
00:00
Clear 12°C
01:00
Clear 11°C
02:00
Clear 11°C
03:00
Clear 10°C
04:00
Sunny 10°C
05:00
Sunny 15°C
06:00
Sunny 20°C
07:00
Sunny 23°C
08:00
Sunny 25°C
09:00
Sunny 27°C
10:00
Sunny 28°C
11:00
Sunny 29°C
12:00
Sunny 30°C
13:00
Sunny 30°C
14:00
Sunny 30°C
15:00
Sunny 28°C
16:00
Patchy rain nearby 25°C
17:00
Patchy rain nearby 20°C
18:00
Partly Cloudy 16°C
19:00
Clear 14°C
20:00
Clear 13°C
21:00
Clear 13°C
22:00
Clear 12°C
23:00
May 20

Day Statistics

Maximum Wind

9 km/h

Humidity

60%

Precipitation

0 mm

UV Index

10

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

04:39 AM

Sunset

06:50 PM

Moonrise

06:18 AM

Moonset

09:59 PM

Moon Phase

Waxing Crescent

Moon Illumination

7%

Air Quality

PM2.5

22.1

μg/m³

PM10

25.1

μg/m³

NO₂

10.5

μg/m³

O₃

103.8

μg/m³

SO₂

5.3

μg/m³

CO

199.7

μg/m³

US EPA Index: 2 GB DEFRA Index: 2