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snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E

Weather Forecast for Manza Onsen at 1820m altitude

Issued:
2 am 27 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 40.0mm), heaviest during Thu afternoon. Very mild (max 17°C on Fri afternoon, min 13°C on Thu afternoon). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 25.0mm), heaviest during Mon afternoon. Very mild (max 19°C on Mon morning, min 15°C on Tue night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
heavy rain
light rain
cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
heavy rain
heavy rain
light rain
cloudy
some clouds
some clouds
light rain
light rain
light rain
light rain
rain shwrs
some clouds
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
km/h
5
SW
20
WNW
15
W
10
WNW
10
WNW
5
W
5
SSW
10
SW
5
SW
10
WSW
10
WSW
10
WSW
5
WSW
0
SW
10
S
5
S
5
S
15
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
14
16
3
2
3
2
3
1
1
6
6
2
2
4
max °C
15
14
15
15
17
15
14
14
15
16
17
17
19
18
17
18
18
16
min °C
14
13
14
15
15
14
14
14
14
16
17
16
17
17
16
17
16
15
 chill °C
14
11
14
14
15
14
14
14
14
16
17
16
17
17
16
17
16
14
Humid %
97
92
80
89
73
76
93
99
98
93
87
87
84
86
91
82
74
86
Freeze m
4800
4650
4800
4500
4650
4950
4800
5100
5000
5150
5100
5250
5200
5150
5150
5050
5000
5050
Sea lvl1000m2000m3000m4000m5000m
141314141514131414151616171716171615151314171714141415161615201816181815
Sunrise
5:11
5:13
5:13
5:13
5:15
5:16
Sunset
6:22
6:20
6:19
6:17
6:15
6:15

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 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.

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