comScore pixel
snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E
1820m altitude
Issued:
2 am 22 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 26.0mm), heaviest during Sun afternoon. Warm (max 20°C on Mon morning, min 15°C on Sun night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 36.0mm), heaviest during Wed night. Warm (max 21°C on Tue morning, min 15°C on Thu morning). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
clear
thunderstorm
rain showers
rain showers
thunderstorm
thunderstorm
part cloud
thunderstorm
mod rain
light rain
light rain
light rain
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
clear
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
t-storm
risk
some clouds
t-storm
risk
mod. rain
light rain
light rain
light rain
km/h
10
WNW
10
NW
5
SW
5
WNW
5
WNW
5
SW
5
NW
5
NNW
5
WNW
5
NW
0
N
5
SSE
10
SSW
10
SSW
15
SW
5
WSW
10
SSW
15
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
5
4
3
7
1
2
1
1
5
8
4
9
4
2
3
max °C
17
17
17
17
16
16
20
20
18
21
21
19
21
20
16
16
15
15
min °C
17
17
16
16
16
15
17
18
17
19
19
18
19
18
16
15
15
15
 chill °C
17
17
16
16
16
15
17
18
17
19
19
18
19
18
16
15
15
14
Humid %
82
86
80
85
88
89
76
64
80
71
66
80
70
62
90
87
90
91
Freeze m
4750
4800
4750
4800
4700
5050
5100
5100
5200
5050
5000
5050
5100
5000
4950
4800
4950
4950
Sea lvl1000m2000m3000m4000m5000m
161616161515171817191918191815151414191715181715212016222017222016161515
Sunrise
5:07
5:09
5:09
5:09
5:11
5:11
Sunset
6:29
6:27
6:25
6:24
6:22
6:22

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.

Go pro and carve into:

  • Hourly & 16-day snow forecasts
  • Fast, ad-free browsing
  • Unlock full access on app & web
  • Exclusive member discounts
  • 20+ years of snow history
  • Snow hindcasts

Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Manza Onsen:

No recent snow reports

No recent snow reports

Manza Onsen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 9 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)

Snow-Forecast Partner Offers

Snow History

Week 4 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.

Map placeholder