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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 15 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 87.0mm), heaviest during Wed night. Very mild (max 14°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 29.0mm), heaviest during Sat night. Very mild (max 14°C on Sat morning, min 11°C on Fri morning). Wind will be generally light.

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
thunderstorm
heavy rain
light rain
heavy rain
heavy rain
light rain
light rain
rain showers
part cloud
part cloud
part cloud
rain showers
mod rain
heavy rain
rain showers
rain showers
part cloud
mod. rain
t-storm
risk
heavy rain
light rain
heavy rain
heavy rain
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
rain shwrs
mod. rain
heavy rain
rain shwrs
rain shwrs
some clouds
km/h
10
SW
10
W
15
SW
5
SSW
5
ESE
5
ESE
0
SSE
0
ENE
10
SE
5
SE
5
SE
10
SSE
5
SSE
5
ESE
5
SE
0
S
0
W
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
8
2
13
5
17
37
2
2
1
1
6
19
1
2
max °C
13
14
13
13
12
11
11
11
11
13
13
12
14
13
13
14
14
14
min °C
13
13
13
13
12
11
11
11
10
11
12
11
13
12
12
13
14
13
 chill °C
12
13
12
13
12
10
11
11
9
10
12
10
13
12
12
13
14
13
Humid %
98
98
98
97
99
96
99
98
93
88
77
84
89
97
94
91
90
89
Freeze m
4500
4500
4350
4300
4300
4200
4150
4200
4250
4400
4500
4650
4450
4450
4450
4600
4750
4850
Sea lvl1000m2000m3000m4000m5000m
121312121110101010121211131212131413131413131311111110131311151312141513
Sunrise
5:26
5:28
5:28
5:28
5:30
5:31
Sunset
5:53
5:52
5:51
5:50
5:47
5:46

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 3 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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