Karuizawa
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Weather Forecast for Karuizawa

Nagano, Japan

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Sunny

Current Weather - Karuizawa: 18°C

Nagano, Japan

Sunny

Feels like 16°C

Wind

11 km/h WNW

Humidity

52%

Pressure

1015 mb

UV Index

6

Visibility

10 km
Sunny

Sunny

Friday, October 02, 2026

High

19°C

Low

8°C

Rain Chance

17%

Hourly Forecast

Patchy rain nearby 13°C
05:00
Cloudy 13°C
06:00
Partly Cloudy 13°C
07:00
Partly Cloudy 14°C
08:00
Partly Cloudy 15°C
09:00
Partly Cloudy 16°C
10:00
Sunny 17°C
11:00
Sunny 18°C
12:00
Sunny 19°C
13:00
Sunny 19°C
14:00
Patchy rain nearby 18°C
15:00
Patchy rain nearby 17°C
16:00
Patchy rain nearby 14°C
17:00
Clear 12°C
18:00
Clear 10°C
19:00
Clear 9°C
20:00
Clear 9°C
21:00
Clear 8°C
22:00
Clear 8°C
23:00
Oct 03

Day Statistics

Maximum Wind

12 km/h

Humidity

75%

Precipitation

0 mm

UV Index

6

Visibility

9 km

Rain Chance

17%

Snow Chance

0%

Sun & Moon

Sunrise

05:41 AM

Sunset

05:28 PM

Moonrise

08:44 PM

Moonset

11:22 AM

Moon Phase

Last Quarter

Moon Illumination

55%

Air Quality

PM2.5

6

μg/m³

PM10

8.5

μg/m³

NO₂

6.3

μg/m³

O₃

74.4

μg/m³

SO₂

1.9

μg/m³

CO

175.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

744.94

Diffuse Radiation

98.34

DNI

0

GTI

0