comScore pixel
snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E

Weather Forecast for Manza Onsen at 1820m altitude

Issued:
8 pm 11 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 13.0mm), heaviest on Sun afternoon. Very mild (max 19°C on Mon morning, min 13°C on Fri night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 38.0mm), heaviest during Tue afternoon. Very mild (max 15°C on Tue morning, min 13°C on Mon night). Wind will be generally light.

Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
light rain
part cloud
rain showers
thunderstorm
rain showers
clear
thunderstorm
mod rain
light rain
mod rain
mod rain
light rain
mod rain
light rain
light rain
light rain
light rain
some clouds
rain shwrs
t-storm
risk
rain shwrs
clear
t-storm
risk
mod. rain
light rain
mod. rain
mod. rain
light rain
mod. rain
light rain
km/h
5
SSW
5
SW
5
WSW
10
S
10
SSW
5
SSW
10
SSW
15
SW
0
NW
10
SSW
10
SSW
10
WSW
10
SW
5
SW
5
WSW
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
1
2
1
3
1
3
7
2
6
6
3
7
3
max °C
14
14
14
14
16
16
15
19
16
14
15
14
14
13
13
13
min °C
13
14
14
14
15
15
15
17
13
13
13
14
13
13
13
13
 chill °C
13
14
14
14
15
15
15
17
13
12
12
14
12
13
13
13
Humid %
98
98
97
94
90
92
93
73
83
98
92
95
97
96
97
91
Freeze m
4750
4750
4800
4850
4750
4800
4850
4800
4600
4550
4500
4500
4550
4500
4450
4550
Sea lvl1000m2000m3000m4000m5000m
1313131315151417141313131312121214151514171615201613151514141313
Sunrise
5:24
5:24
5:26
5:26
5:28
Sunset
5:59
5:57
5:55
5:53
5:52

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 2 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.

Map placeholder