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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 940 m altitude

Issued:
2 am 29 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 10.0mm), heaviest on Tue morning. Warm (max 22°C on Thu morning, min 10°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 37.0mm), heaviest during Sun night. Very mild (max 18°C on Fri morning, min 7°C on Fri night). Wind will be generally light.

Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
light rain
rain showers
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
mod rain
heavy rain
mod. rain
light rain
rain shwrs
clear
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light rain
light rain
mod. rain
heavy rain
km/h
15
WNW
10
WNW
5
W
5
SE
10
ESE
5
S
5
WNW
5
NNW
20
WNW
15
NW
10
NW
5
WNW
5
W
5
NNE
5
ESE
10
ESE
10
E
15
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
6
3
1
—
—
—
—
—
—
—
—
—
—
—
2
2
10
23
max °C
15
14
12
18
17
14
22
22
14
18
17
9
16
17
11
11
10
11
min °C
14
13
10
15
14
13
19
16
11
14
11
7
13
12
10
11
10
11
 chill °C
13
13
10
15
14
13
19
16
9
13
10
6
13
12
9
10
8
9
Humid %
89
79
77
79
86
96
76
64
76
66
51
75
56
44
86
98
99
100
Freeze m
4200
3950
4350
4450
4550
4750
4750
4750
4200
3800
3400
3450
3600
3600
3750
3500
3650
3900
Sea lvl1000m2000m3000m4000m5000m
1413131514141918131413912131110101015141117161421191316148151511111011
Sunrise
5:37
—
—
5:39
—
—
5:39
—
—
5:39
—
—
5:41
—
—
5:41
—
—
Sunset
—
5:32
—
—
5:30
—
—
5:30
—
—
5:28
—
—
5:27
—
—
5:24
—

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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