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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 pm 23 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 24.0mm), heaviest during Sat morning. Very mild (max 14°C on Thu afternoon, min 8°C on Sat morning). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 29.0mm), heaviest during Mon morning. Very mild (max 14°C on Tue morning, min 9°C on Sat night). Wind will be generally light.

Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
thunderstorm
rain showers
part cloud
clear
part cloud
mod rain
mod rain
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
part cloud
light rain
t-storm
risk
rain shwrs
some clouds
clear
some clouds
mod. rain
mod. rain
light rain
light rain
light rain
light rain
mod. rain
mod. rain
light rain
some clouds
km/h
10
SSW
10
WNW
10
NW
5
WNW
10
NW
5
WNW
5
SSW
5
WSW
10
SW
5
SSW
5
SW
5
SSW
5
S
5
SW
10
WNW
5
WNW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
2
1
6
10
3
2
2
4
8
9
4
max °C
12
13
14
12
14
14
11
9
9
11
11
11
11
11
11
11
min °C
12
12
12
11
12
11
9
8
9
9
11
11
10
11
11
11
 chill °C
12
11
11
10
11
11
9
8
8
9
10
11
9
11
10
11
Humid %
96
91
70
59
38
50
81
97
98
94
92
92
78
95
98
84
Freeze m
4350
4100
4300
4100
4000
3850
3900
3600
3800
3900
4200
4050
4200
4250
4150
4050
Sea lvl1000m2000m3000m4000m5000m
11121211121198991010101010101214141015131091010121210111110
Sunrise
5:33
5:35
5:35
5:37
5:37
Sunset
5:40
5:38
5:37
5:36
5:35

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 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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