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snowy resort
Ski Japan - Nagano

Hiraya Kogen Akasaka Snow Forecast

35.30° N 137.63° E

Weather Forecast for Hiraya Kogen Akasaka at 950m altitude

Issued:
8 am 23 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 Wed morning. Warm (max 22°C on Thu morning, min 15°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 25.0mm), heaviest during Sat night. Warm (max 21°C on Mon morning, min 14°C on Mon night). Wind will be generally light.

Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
rain showers
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
light rain
light rain
heavy rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
rain shwrs
light rain
light rain
heavy rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
km/h
5
SE
10
SE
5
S
10
NW
10
NW
5
SE
5
SSW
10
WSW
5
SSE
10
S
10
SSW
5
S
5
WNW
10
WNW
10
NW
5
NNW
10
NW
5
WSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
2
1
1
2
3
4
2
13
4
2
max °C
20
18
16
22
22
16
20
19
15
15
16
15
19
18
16
21
20
15
min °C
18
17
15
19
18
15
19
16
15
15
15
15
16
17
16
18
16
14
 chill °C
18
17
15
19
18
15
19
16
15
15
15
15
16
17
16
18
16
14
Humid %
82
95
88
73
66
88
86
82
95
96
89
97
95
90
80
57
55
74
Freeze m
4500
4500
4550
4600
4700
4350
4250
4250
4250
3950
4250
4300
4400
4550
4350
4250
4300
4250
Sea lvl1000m2000m3000m4000m5000m
191817202018191816161616171818201917191816212016201815151615181816201815
Sunrise
5:37
5:37
5:39
5:39
5:39
5:41
Sunset
5:45
5:44
5:43
5:40
5:39
5:37

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Snow Radar

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
Snow AlertsCreate Alert
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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