Weather Forecast for Karuizawa

Nagano, Japan

select dropwdown icon
Share
Clear

Current Weather - Karuizawa: 4°C

Nagano, Japan

Clear

Feels like 3°C

Wind

6 km/h W

Humidity

92%

Pressure

1030 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Friday, October 23, 2026

High

17°C

Low

3°C

Rain Chance

11%

Hourly Forecast

Clear 4°C
00:00
Clear 4°C
01:00
Clear 4°C
02:00
Clear 4°C
03:00
Clear 4°C
04:00
Clear 4°C
05:00
Clear 3°C
06:00
Sunny 7°C
07:00
Sunny 10°C
08:00
Sunny 12°C
09:00
Sunny 15°C
10:00
Sunny 16°C
11:00
Sunny 16°C
12:00
Sunny 17°C
13:00
Overcast 16°C
14:00
Overcast 14°C
15:00
Overcast 13°C
16:00
Overcast 11°C
17:00
Overcast 9°C
18:00
Overcast 10°C
19:00
Overcast 10°C
20:00
Overcast 9°C
21:00
Overcast 10°C
22:00
Overcast 10°C
23:00
Oct 24

Day Statistics

Maximum Wind

12 km/h

Humidity

75%

Precipitation

0 mm

UV Index

5

Visibility

10 km

Rain Chance

11%

Snow Chance

0%

Sun & Moon

Sunrise

06:00 AM

Sunset

04:59 PM

Moonrise

03:17 PM

Moonset

02:47 AM

Moon Phase

Full Moon

Moon Illumination

97%

Air Quality

PM2.5

8.4

μg/m³

PM10

9.6

μg/m³

NO₂

9.3

μg/m³

O₃

60

μg/m³

SO₂

5

μg/m³

CO

179.2

μg/m³

US EPA Index: 1 GB DEFRA Index: 1