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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 am 18 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 24.0mm), heaviest during Sun night. Very mild (max 16°C on Sat morning, min 12°C on Fri morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 26.0mm), heaviest during Wed night. Very mild (max 15°C on Tue morning, min 11°C on Mon night). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
part cloud
part cloud
rain showers
rain showers
light rain
light rain
heavy rain
light rain
light rain
rain showers
clear
part cloud
clear
part cloud
light rain
heavy rain
clear
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
light rain
light rain
heavy rain
light rain
light rain
rain shwrs
clear
some clouds
clear
some clouds
light rain
heavy rain
km/h
5
SE
5
SE
10
SE
5
SE
5
ESE
10
SE
5
E
5
ESE
10
ESE
10
NNE
20
N
15
NNW
10
NW
5
NNW
5
SSW
5
SW
0
ENE
5
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
3
4
1
14
4
5
4
2
11
max °C
15
15
13
16
16
14
14
14
15
14
14
14
15
15
12
14
13
12
min °C
12
12
12
14
15
13
13
14
14
14
14
11
12
13
11
13
12
11
 chill °C
12
11
11
14
15
13
13
14
13
14
12
10
11
13
11
13
12
11
Humid %
72
64
83
77
79
90
93
95
94
97
96
75
62
61
82
81
90
95
Freeze m
4500
4550
4650
4700
4750
4800
4700
4800
5150
5250
5200
5400
5000
4900
4850
4600
4450
4050
Sea lvl1000m2000m3000m4000m5000m
131312141513131314141413131312131211151412171613141514141412151411151311
Sunrise
5:28
5:30
5:31
5:31
5:33
5:33
Sunset
5:50
5:47
5:46
5:45
5:44
5:42

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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