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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 pm 21 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 21.0mm), heaviest during Mon night. Very mild (max 16°C on Mon afternoon, min 12°C on Tue morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 21.0mm), heaviest during Sat night. Very mild (max 14°C on Fri morning, min 9°C on Sat morning). Wind will be generally light.

Mon
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
mod rain
rain showers
part cloud
part cloud
part cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
light rain
mod rain
light rain
mod rain
light rain
mod. rain
rain shwrs
some clouds
some clouds
some clouds
light rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
light rain
mod. rain
light rain
mod. rain
km/h
10
NE
20
NNW
15
NNW
10
NNW
5
S
5
S
0
SW
5
SW
10
NW
10
NW
0
WNW
5
N
0
NNW
5
SSE
5
S
10
SSW
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
10
1
2
3
2
1
6
3
10
max °C
16
15
14
14
13
13
13
12
13
13
12
14
14
10
9
9
10
min °C
15
13
12
12
12
12
12
12
12
12
12
12
12
10
9
9
10
 chill °C
14
11
10
12
12
12
12
12
11
12
12
12
12
10
9
7
9
Humid %
94
97
74
59
78
88
89
94
86
68
41
31
48
82
91
96
98
Freeze m
5300
5050
5150
5000
4700
4550
4450
4350
4350
4350
4200
4150
4000
4050
3400
3700
4000
Sea lvl1000m2000m3000m4000m5000m
15141313121212111212121212108810161414131113131213131015139101010
Sunrise
5:33
5:33
5:33
5:35
5:35
Sunset
5:45
5:44
5:42
5:40
5:38
5:37

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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