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Weather Forecast for Karuizawa

Nagano, Japan

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Patchy rain nearby

Current Weather - Karuizawa: 20°C

Nagano, Japan

Patchy rain nearby

Feels like 15°C

Wind

7 km/h ESE

Humidity

78%

Pressure

1013 mb

UV Index

5

Visibility

10 km
Fog

Fog

Saturday, July 04, 2026

High

21°C

Low

15°C

Rain Chance

81%

Hourly Forecast

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

Day Statistics

Maximum Wind

9 km/h

Humidity

93%

Precipitation

2 mm

UV Index

6

Visibility

4 km

Rain Chance

81%

Snow Chance

0%

Sun & Moon

Sunrise

04:33 AM

Sunset

07:07 PM

Moonrise

09:51 PM

Moonset

08:24 AM

Moon Phase

Waning Gibbous

Moon Illumination

70%

Air Quality

PM2.5

9.7

μg/m³

PM10

10.3

μg/m³

NO₂

10.8

μg/m³

O₃

74

μg/m³

SO₂

6

μg/m³

CO

174.8

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

295

Diffuse Radiation

167.47

DNI

6.53

GTI

270.55