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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 01 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 36.0mm), heaviest during Thu afternoon. Very mild (max 18°C on Tue morning, min 12°C on Thu afternoon). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 14.0mm), heaviest on Sun night. Very mild (max 15°C on Sat morning, min 11°C on Fri night). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
rain showers
rain showers
thunderstorm
mod rain
light rain
heavy rain
light rain
light rain
light rain
light rain
part cloud
part cloud
rain showers
clear
part cloud
mod rain
rain shwrs
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
mod. rain
light rain
heavy rain
light rain
light rain
light rain
light rain
some clouds
some clouds
rain shwrs
clear
some clouds
mod. rain
km/h
5
S
0
W
10
S
5
W
5
SW
10
S
15
SSW
15
W
5
SW
0
SSE
5
WNW
5
NNE
5
E
5
ESE
10
SE
10
SE
10
SE
15
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
3
1
1
5
7
2
12
4
1
2
1
2
8
max °C
18
18
15
18
18
17
16
14
13
13
13
12
15
15
12
15
14
14
min °C
16
16
15
17
17
16
15
12
12
13
12
11
12
13
11
12
13
13
 chill °C
16
16
15
17
17
16
14
11
12
13
12
11
12
12
10
11
12
12
Humid %
87
82
89
79
78
86
79
97
85
81
93
84
69
54
75
75
76
96
Freeze m
5100
5100
5050
4900
4850
4900
4750
4700
4600
4700
4500
4400
4600
4750
5000
5000
4950
4800
Sea lvl1000m2000m3000m4000m5000m
161615171716151312131211131412131313191815191816161412141312151411151413
Sunrise
5:16
5:16
5:18
5:18
5:18
5:20
Sunset
6:15
6:13
6:12
6:09
6:08
6:07

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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