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Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E

Weather Forecast for Manza Onsen at 1820m altitude

Issued:
2 pm 06 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 138.0mm), heaviest during Sun night. Very mild (max 16°C on Mon morning, min 12°C on Sun afternoon). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 126.0mm), heaviest during Wed night. Very mild (max 15°C on Sat morning, min 13°C on Wed night). Wind will be generally light.

Sun
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
heavy rain
light rain
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
cloud
mod rain
heavy rain
heavy rain
light rain
cloud
mod. rain
heavy rain
light rain
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
cloudy
mod. rain
heavy rain
heavy rain
light rain
cloudy
km/h
25
SE
25
E
20
SSW
15
WSW
10
W
10
SSW
10
SW
15
SSW
10
WSW
5
W
10
SSW
10
SSW
5
SW
5
S
10
W
10
W
10
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
7
66
3
4
1
5
15
23
14
22
31
9
45
16
2
max °C
13
14
16
16
16
16
16
16
14
14
13
14
14
13
14
14
14
min °C
12
13
15
16
15
16
16
16
14
14
13
13
13
13
13
14
14
 chill °C
10
11
14
16
15
16
16
16
13
14
13
12
13
13
12
14
14
Humid %
92
90
95
93
94
94
97
98
98
98
100
96
96
98
97
93
96
Freeze m
4900
4950
5200
5300
5150
5050
5250
5300
5250
5250
5100
4900
4950
4900
4850
4900
4850
Sea lvl1000m2000m3000m4000m5000m
12131515151515151413131313121314131213161615171616141413141413141414
Sunrise
5:20
5:20
5:22
5:22
5:24
Sunset
6:07
6:06
6:05
6:02
6:01
6:00

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 1 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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