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Ski Japan - Nagano

Karuizawa Prince Hotel Snow Forecast

36.34° N 138.64° E

Weather Forecast for Karuizawa Prince Hotel at 1155 m altitude

Issued:
8 pm 28 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 25.0mm), heaviest during Mon night. Very mild (max 16°C on Mon night, min 12°C on Tue night). Wind will be generally light.

Days 5-7 weather summary:

Some drizzle, heaviest during Sun afternoon. Very mild (max 15°C on Thu night, min 8°C on Fri night). Wind will be generally light.

Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
mod rain
light rain
clear
clear
cloud
cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
part cloud
part cloud
heavy rain
mod. rain
light rain
clear
clear
cloudy
cloudy
light rain
rain shwrs
clear
clear
clear
clear
some clouds
some clouds
some clouds
km/h
15
WSW
15
W
15
W
5
W
5
SSE
10
ESE
5
SSE
5
WSW
5
NW
25
WNW
15
WNW
10
WNW
10
WNW
10
WNW
0
E
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
11
6
4
—
—
—
—
3
1
—
—
—
—
—
—
—
max °C
16
14
13
12
15
14
16
16
16
15
14
14
9
12
13
10
min °C
14
13
13
12
14
13
13
16
16
10
11
10
8
9
11
9
 chill °C
13
12
12
12
14
12
13
16
16
7
9
9
6
8
11
9
Humid %
82
86
86
90
85
92
99
95
94
85
71
57
75
53
49
78
Freeze m
4350
4150
4100
4300
4500
4650
4600
4600
4750
4800
4050
3500
3500
3700
3750
3950
Sea lvl1000m2000m3000m4000m5000m
15141312151415161613131291112101515141216151516171315147141310
Sunrise
—
5:37
—
—
5:39
—
—
5:39
—
—
5:39
—
—
5:41
—
—
Sunset
—
—
5:32
—
—
5:30
—
—
5:30
—
—
5:28
—
—
5:27
—

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Karuizawa Prince Hotel:

No recent snow reports

No recent snow reports

Karuizawa Prince Hotel Snow Conditions

Top snow depth:—
Bottom snow depth:—
Fresh snowfall depth:—
Last snowfall:10 Mar 2026
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 4 of September has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.


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