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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 14 Sep 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 Tue night. Very mild (max 19°C on Mon morning, min 12°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 14.0mm), heaviest on Fri night. Very mild (max 15°C on Sat morning, min 11°C on Thu night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
thunderstorm
light rain
light rain
light rain
heavy rain
light rain
light rain
rain showers
light rain
rain showers
cloud
cloud
light rain
light rain
rain showers
light rain
cloud
clear
t-storm
risk
light rain
light rain
light rain
heavy rain
light rain
light rain
rain shwrs
light rain
rain shwrs
cloudy
cloudy
light rain
light rain
rain shwrs
light rain
cloudy
km/h
20
SW
5
WSW
10
SSW
10
SW
10
WSW
5
WSW
5
WSW
0
NW
5
SSE
0
S
5
ESE
10
SE
10
SE
10
SE
15
SE
10
SSE
0
ENE
0
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
5
2
4
17
3
3
3
1
2
2
4
2
3
max °C
19
18
15
14
14
13
13
12
12
13
13
12
12
13
14
15
14
14
min °C
17
16
13
13
13
12
13
12
12
12
12
11
12
13
13
13
14
13
 chill °C
16
16
12
12
13
12
13
12
12
12
12
10
11
12
12
12
14
13
Humid %
64
75
92
88
95
99
97
99
98
92
91
89
89
93
94
93
95
98
Freeze m
4950
4600
4550
4500
4400
4350
4250
4250
4100
4300
4400
4500
4500
4450
4750
4750
4650
4750
Sea lvl1000m2000m3000m4000m5000m
171614131312121111121211121213141313201814151413131312141312131213151514
Sunrise
5:26
5:26
5:28
5:28
5:28
5:30
Sunset
5:55
5:53
5:52
5:51
5:50
5:47

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 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.

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