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snowy resort
Lat Long: 35.30° N 137.63° E
Ski Japan - Nagano

Hiraya Kogen Akasaka Snow Forecast

Weather Forecast for Hiraya Kogen Akasaka at 990m altitude

Issued: 2 pm 14 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 34.0mm), heaviest during Sat afternoon. Warm (max 22°C on Fri afternoon, min 18°C on Sun night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 11.0mm), heaviest on Thu morning. Warm (max 26°C on Tue afternoon, min 19°C on Mon night). Wind will be generally light.

Fri
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
light rain
light rain
part cloud
part cloud
rain showers
part cloud
part cloud
clear
clear
clear
thunderstorm
rain showers
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
light rain
light rain
some clouds
some clouds
rain shwrs
some clouds
some clouds
clear
clear
clear
t-storm
risk
rain shwrs
km/h
5
S
5
E
0
ESE
5
S
0
ESE
5
SE
5
S
5
ESE
5
SE
5
SW
5
NE
5
ENE
10
WSW
5
NNE
0
E
5
SW
0
ENE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
5
4
3
11
5
3
3
1
2
2
max °C
22
20
21
21
19
21
21
19
22
24
20
25
26
22
26
25
22
min °C
21
19
21
20
19
20
20
18
20
21
19
22
23
21
23
23
21
 chill °C
21
19
21
20
19
20
20
18
20
21
19
22
23
21
23
23
21
Humid %
87
88
85
91
95
91
81
90
76
62
90
70
59
85
73
78
96
Freeze m
4750
4800
4800
4850
4900
4950
5000
5200
5200
5150
5250
5300
5300
5350
5250
5300
5200
Sea lvl1000m2000m3000m4000m5000m
22202121192020192122202424212424212219222118212118232318252520262420
Sunrise
5:07
5:09
5:09
5:09
5:11
Sunset
6:39
6:38
6:37
6:36
6:35
6:34

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Hiraya Kogen Akasaka:

No recent snow reports

No recent snow reports

Hiraya Kogen Akasaka Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 8 Feb 2026
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 2 of August 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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