comScore pixel
snowy resort
Ski Japan - Nagano

Hiraya Kogen Akasaka Snow Forecast

35.30° N 137.63° E

Weather Forecast for Hiraya Kogen Akasaka at 990 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 64.0mm), heaviest during Mon night. Very mild (max 19°C on Wed morning, min 15°C on Mon night). Wind will be generally light.

Days 5-7 weather summary:

Light rain (total 3.0mm), mostly falling on Sat afternoon. Very mild (max 18°C on Thu night, min 11°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
heavy rain
mod rain
rain showers
part cloud
rain showers
light rain
mod rain
part cloud
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
heavy rain
heavy rain
mod. rain
rain shwrs
some clouds
rain shwrs
light rain
mod. rain
some clouds
clear
clear
clear
some clouds
some clouds
rain shwrs
some clouds
km/h
15
NNW
15
N
10
NNE
5
SSW
5
S
5
S
10
SSE
5
SSW
10
N
20
NNW
15
NNW
10
NW
5
ESE
5
SSW
10
SSW
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
28
14
8
3
—
2
3
6
—
—
—
—
—
—
1
—
max °C
16
15
15
15
19
19
18
18
19
18
17
17
13
16
15
13
min °C
15
15
15
15
17
18
17
18
18
14
15
15
11
14
14
13
 chill °C
15
14
14
15
17
18
17
18
18
13
14
15
11
14
14
13
Humid %
89
91
84
94
86
89
96
99
87
69
41
46
87
68
76
86
Freeze m
4500
4350
4300
4400
4650
4550
4700
4800
4900
4900
4400
4100
3750
3850
3850
3950
Sea lvl1000m2000m3000m4000m5000m
1615151518181818191616161214141315141414191817181814171510161512
Sunrise
—
5:41
—
—
5:41
—
—
5:43
—
—
5:43
—
—
5:45
—
—
Sunset
—
—
5:37
—
—
5:35
—
—
5:34
—
—
5:32
—
—
5:30
—

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.
  • Circle CheckHourly & 16-day forecasts
  • Circle CheckView past weather
  • Circle CheckFast, ad-free browsing
  • Circle CheckSnow hindcasts & History
Unlocks app & website

Avalanche information: Japan Avalanche Network

Popular Hiraya Kogen Akasaka Pages

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)

Snow-Forecast Partner Offers

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.


Snow-Forecast Partner Offers


Map placeholder