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snowy resort
Lat Long: 36.64° N 138.51° E
Ski Japan - Gunma

Manza Onsen Snow Forecast

Weather Forecast for Manza Onsen at 1820m altitude

Issued: 2 pm 09 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 29.0mm), heaviest during Tue night. Very mild (max 19°C on Mon morning, min 12°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 45.0mm), heaviest during Fri morning. Very mild (max 18°C on Thu afternoon, min 13°C on Wed afternoon). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
clear
part cloud
part cloud
cloud
light rain
heavy rain
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
light rain
heavy rain
mod rain
rain showers
t-storm
risk
t-storm
risk
clear
some clouds
some clouds
cloudy
light rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
t-storm
risk
t-storm
risk
light rain
heavy rain
mod. rain
rain shwrs
km/h
5
NE
5
NNE
5
NNW
10
N
10
NNW
10
N
20
NNW
5
SE
25
SE
20
SE
20
SE
15
SE
10
ESE
10
ESE
10
NNE
5
E
15
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
9
3
2
13
2
3
2
1
2
5
15
9
5
max °C
18
16
19
18
14
15
13
13
14
14
13
17
18
15
15
15
15
min °C
17
15
16
16
12
14
12
12
13
13
13
14
16
15
14
14
15
 chill °C
17
15
16
16
11
13
10
10
11
11
11
13
16
14
14
14
14
Humid %
83
92
69
60
55
56
87
96
81
92
86
86
66
90
90
97
94
Freeze m
4850
4750
4750
4650
4650
4500
4600
4700
4750
4500
4400
4450
4600
4700
4750
4850
4950
Sea lvl1000m2000m3000m4000m5000m
17151716121412121313121516141414151815201812161313151513171815151415
Sunrise
4:58
4:58
5:00
5:01
5:01
Sunset
6:44
6:43
6:42
6:40
6:39
6:38

Days 7-16 weather summary:

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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)

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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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