Karuizawa
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Weather Forecast for Karuizawa

Nagano, Japan

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Fog

Current Weather - Karuizawa: 16°C

Nagano, Japan

Fog

Feels like 17°C

Wind

8 km/h W

Humidity

99%

Pressure

1014 mb

UV Index

0

Visibility

0 km
Light rain shower

Light rain shower

Friday, September 04, 2026

High

23°C

Low

16°C

Rain Chance

91%

Hourly Forecast

Fog 17°C
00:00
Fog 17°C
01:00
Light drizzle 17°C
02:00
Fog 16°C
03:00
Fog 16°C
04:00
Fog 16°C
05:00
Fog 16°C
06:00
Mist 17°C
07:00
Mist 18°C
08:00
Overcast 19°C
09:00
Overcast 20°C
10:00
Patchy rain nearby 21°C
11:00
Patchy rain nearby 23°C
12:00
Light rain shower 21°C
13:00
Light rain shower 20°C
14:00
Light rain shower 19°C
15:00
Light rain shower 19°C
16:00
Light rain shower 18°C
17:00
Light rain shower 17°C
18:00
Light rain shower 17°C
19:00
Light rain shower 16°C
20:00
Light rain shower 16°C
21:00
Light rain shower 16°C
22:00
Light rain shower 16°C
23:00
Sep 05

Day Statistics

Maximum Wind

10 km/h

Humidity

93%

Precipitation

8 mm

UV Index

4

Visibility

7 km

Rain Chance

91%

Snow Chance

0%

Sun & Moon

Sunrise

05:19 AM

Sunset

06:09 PM

Moonrise

09:54 PM

Moonset

12:24 PM

Moon Phase

Last Quarter

Moon Illumination

39%

Air Quality

PM2.5

3.9

μg/m³

PM10

4.4

μg/m³

NO₂

9.8

μg/m³

O₃

47.9

μg/m³

SO₂

1.8

μg/m³

CO

160.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1