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Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E

Weather Forecast for Manza Onsen at 1820 m altitude

Issued:
2 am 30 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Some drizzle, heaviest during Thu night. Very mild (max 15°C on Thu morning, min 4°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 24.0mm), heaviest during Mon night. Very mild (max 11°C on Mon night, min 6°C on Sat morning). Wind will be generally light.

Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
clear
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
light rain
mod rain
light rain
mod rain
clear
some clouds
clear
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
light rain
mod. rain
light rain
mod. rain
km/h
5
SW
5
SSW
5
S
5
W
10
WNW
10
WNW
10
WNW
10
NW
10
NW
15
NW
10
NW
5
WSW
5
SSW
5
SW
10
S
10
SSE
10
S
15
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
—
—
1
—
—
—
—
—
—
—
—
5
6
5
8
max °C
14
13
13
15
14
10
9
9
5
9
9
7
10
9
7
7
8
11
min °C
12
12
12
14
11
8
8
6
4
6
7
7
8
8
7
7
8
9
 chill °C
12
12
12
14
10
6
6
4
1
3
6
7
7
8
6
5
6
7
Humid %
69
75
79
69
76
82
71
61
76
57
48
60
62
66
94
95
95
95
Freeze m
4500
4450
4750
4700
4550
4200
3900
3350
3350
3450
3350
3600
3750
3600
3350
3700
4150
4400
Sea lvl1000m2000m3000m4000m5000m
131212141298757778867891513111613910849861197889
Sunrise
5:39
—
—
5:39
—
—
5:41
—
—
5:41
—
—
5:43
—
—
5:43
—
—
Sunset
—
5:31
—
—
5:30
—
—
5:29
—
—
5:27
—
—
5:25
—
—
5:23
—

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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