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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 03 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 34.0mm), heaviest during Thu afternoon. Very mild (max 14°C on Thu afternoon, min 11°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 135.0mm), heaviest during Mon afternoon. Very mild (max 18°C on Tue morning, min 11°C on Sun afternoon). Wind will be generally light.

Thu
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
light rain
light rain
light rain
rain showers
light rain
rain showers
rain showers
part cloud
rain showers
mod rain
heavy rain
heavy rain
part cloud
part cloud
thunderstorm
heavy rain
heavy rain
light rain
light rain
light rain
rain shwrs
light rain
rain shwrs
rain shwrs
some clouds
rain shwrs
mod. rain
heavy rain
heavy rain
some clouds
some clouds
t-storm
risk
heavy rain
km/h
10
WSW
10
W
10
WNW
5
NW
5
SSW
0
NW
0
N
5
SE
10
SE
15
SE
20
SE
20
ESE
0
NW
15
WSW
5
WNW
10
SSW
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
17
4
2
4
2
2
2
1
1
7
26
48
2
25
max °C
14
14
14
13
12
13
14
12
13
12
13
14
15
15
18
17
16
min °C
14
13
13
12
11
12
13
11
11
11
11
14
15
14
16
16
16
 chill °C
14
12
12
12
11
12
13
10
10
9
9
12
15
13
16
16
16
Humid %
95
92
92
90
91
88
77
78
76
83
91
97
98
89
81
82
99
Freeze m
4650
4600
4450
4300
4300
4250
4500
4600
4700
4750
4850
5050
5450
5250
5150
5150
5200
Sea lvl1000m2000m3000m4000m5000m
13131312111213121212111415151616151414151312131411131211141414191716
Sunrise
5:18
5:18
5:20
5:20
5:20
Sunset
6:12
6:09
6:08
6:07
6:06
6:05

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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