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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 17 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 18.0mm), heaviest on Sat night. Very mild (max 15°C on Sat afternoon, min 11°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 28.0mm), heaviest during Sun morning. Very mild (max 14°C on Sun morning, min 11°C on Mon afternoon). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
rain showers
part cloud
clear
clear
part cloud
rain showers
rain showers
heavy rain
heavy rain
light rain
light rain
light rain
rain showers
clear
clear
part cloud
part cloud
light rain
rain shwrs
some clouds
clear
clear
some clouds
rain shwrs
rain shwrs
heavy rain
heavy rain
light rain
light rain
light rain
rain shwrs
clear
clear
some clouds
some clouds
km/h
0
NW
5
ESE
5
SE
5
SE
5
SE
10
SSE
5
SSE
5
SE
10
SE
5
E
5
NE
20
N
25
NNW
20
NNW
5
NNW
5
NW
5
NW
5
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
2
2
2
11
16
2
5
3
2
max °C
13
13
12
14
14
13
14
15
14
14
14
14
13
13
11
14
14
11
min °C
12
12
11
12
12
12
13
14
13
13
14
13
13
11
11
12
12
11
 chill °C
12
12
10
12
11
11
13
14
12
13
14
11
11
9
10
12
12
11
Humid %
88
92
83
66
64
88
90
87
95
99
92
91
84
73
43
63
68
88
Freeze m
4250
4150
4450
4600
4500
4600
4600
4750
4750
4650
4700
5050
5050
5250
4950
4600
4350
4200
Sea lvl1000m2000m3000m4000m5000m
12121112121213141313141313121112121014131015141214151314151313129151310
Sunrise
5:28
5:28
5:30
5:31
5:31
5:33
Sunset
5:51
5:50
5:47
5:46
5:45
5:44

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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