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

Next 3 days weather summary:

Light rain (total 6.0mm), mostly falling on Tue morning. Very mild (max 14°C on Tue morning, min 11°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 31.0mm), heaviest during Sun night. Very mild (max 14°C on Fri morning, min 9°C on Fri night). Wind will be generally light.

Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
clear
part cloud
part cloud
light rain
light rain
light rain
rain showers
cloud
clear
part cloud
light rain
mod rain
light rain
light rain
light rain
light rain
mod rain
rain shwrs
clear
some clouds
some clouds
light rain
light rain
light rain
rain shwrs
cloudy
clear
some clouds
light rain
mod. rain
light rain
light rain
light rain
light rain
mod. rain
km/h
15
NNW
10
NNW
5
S
5
SSE
0
SSW
10
SSW
10
NW
10
NNW
5
NW
10
NW
0
NW
5
S
5
WSW
10
SW
5
SW
5
SW
5
SW
5
WNW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
1
1
2
1
1
8
3
3
1
5
10
max °C
14
14
13
13
13
12
13
13
12
14
14
11
9
10
10
12
11
11
min °C
12
12
11
12
12
11
12
12
12
12
12
9
9
9
9
11
11
10
 chill °C
10
12
11
12
12
10
11
11
12
11
12
9
8
7
8
10
11
10
Humid %
69
55
74
87
85
97
92
74
35
36
47
77
97
99
98
91
97
99
Freeze m
5150
5000
4750
4550
4450
4250
4300
4400
4100
4050
4000
4000
3450
3650
3850
3900
4050
3950
Sea lvl1000m2000m3000m4000m5000m
1313121212111212111212989911101015131114131214131015141091010131211
Sunrise
5:33
5:33
5:33
5:35
5:35
5:37
Sunset
5:44
5:42
5:40
5:38
5:37
5:36

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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