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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:
8 am 29 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 36.0mm), heaviest during Sat morning. Very mild (max 18°C on Sun afternoon, min 14°C on Sat morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 29.0mm), heaviest during Wed afternoon. Warm (max 20°C on Wed morning, min 14°C on Thu night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
light rain
rain showers
light rain
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
thunderstorm
light rain
mod rain
heavy rain
light rain
rain shwrs
light rain
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
t-storm
risk
light rain
mod. rain
km/h
15
SSW
10
WSW
10
WSW
10
WSW
10
W
5
WSW
5
SSW
5
SSW
5
S
5
WSW
0
S
5
S
5
SSW
0
SSW
5
S
10
SSW
15
SW
10
WNW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
16
3
2
5
2
1
1
4
2
1
4
2
1
5
3
3
3
7
max °C
14
14
15
16
18
16
18
18
16
19
19
17
20
19
17
16
15
15
min °C
14
14
14
16
17
16
17
17
16
18
17
16
17
18
16
16
15
14
 chill °C
13
14
13
16
17
16
17
17
16
18
17
16
17
18
16
16
14
14
Humid %
99
98
97
96
86
90
86
85
90
82
78
87
78
70
84
92
90
98
Freeze m
5000
5100
5000
5050
5050
5250
5150
5200
5200
5000
4900
5100
5100
4850
5000
4850
4950
4900
Sea lvl1000m2000m3000m4000m5000m
141415151716171715181716171816151514141415161816191816201916201916171514
Sunrise
5:13
5:13
5:15
5:16
5:16
5:18
Sunset
6:19
6:17
6:15
6:15
6:13
6:12

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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