Weather Forecast for Karuizawa

Nagano, Japan

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Light rain

Current Weather - Karuizawa: 6°C

Nagano, Japan

Light rain

Feels like 6°C

Wind

4 km/h WNW

Humidity

87%

Pressure

1019 mb

UV Index

2

Visibility

10 km

Moderate rain

Moderate rain

Wednesday, February 25, 2026

High

8°C

Low

4°C

Rain Chance

89%

Hourly Forecast

Patchy rain nearby 4°C
04:00
Cloudy 4°C
05:00
Mist 4°C
06:00
Mist 5°C
07:00
Light drizzle 6°C
08:00
Light drizzle 6°C
09:00
Light drizzle 7°C
10:00
Light drizzle 7°C
11:00
Light rain 6°C
12:00
Patchy rain nearby 7°C
13:00
Patchy rain nearby 8°C
14:00
Light drizzle 8°C
15:00
Light drizzle 7°C
16:00
Light drizzle 7°C
17:00
Light drizzle 6°C
18:00
Light drizzle 6°C
19:00
Light drizzle 6°C
20:00
Light drizzle 5°C
21:00
Light drizzle 4°C
22:00
Light sleet 4°C
23:00
Feb 26

Day Statistics

Maximum Wind

9 km/h

Humidity

94%

Precipitation

6 mm

UV Index

0

Visibility

5 km

Rain Chance

89%

Snow Chance

0%

Sun & Moon

Sunrise

06:22 AM

Sunset

05:36 PM

Moonrise

10:42 AM

Moonset

01:16 AM

Moon Phase

Waxing Gibbous

Moon Illumination

55%

Air Quality

PM2.5

8.6

μg/m³

PM10

8.6

μg/m³

NO₂

20.2

μg/m³

O₃

46.7

μg/m³

SO₂

9.7

μg/m³

CO

222.4

μg/m³

US EPA Index: 1 GB DEFRA Index: 1