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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 29 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 11.0mm), heaviest on Tue morning. Very mild (max 16°C on Thu morning, min 6°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 20.0mm), heaviest during Sun afternoon. Mild temperatures (max 9°C on Sat morning, min 5°C on Fri afternoon). Wind will be generally light.

Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
light rain
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
mod rain
heavy rain
mod. rain
light rain
clear
clear
clear
clear
clear
some clouds
rain shwrs
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
mod. rain
heavy rain
km/h
15
W
10
WNW
5
WSW
5
SW
5
S
10
S
10
WSW
10
WNW
15
NW
20
NW
15
NW
10
NW
10
WNW
5
NW
5
S
5
SSE
10
SE
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
7
2
—
—
—
—
—
—
2
—
—
—
—
—
—
—
6
14
max °C
10
10
10
14
14
13
16
14
10
8
8
5
9
9
8
8
7
8
min °C
10
9
9
12
11
11
14
11
6
7
5
5
7
8
7
7
7
7
 chill °C
8
8
8
12
11
10
14
10
3
4
2
3
5
8
6
6
6
4
Humid %
85
82
57
57
62
80
65
68
88
65
60
62
46
45
74
81
94
96
Freeze m
4000
3950
4250
4400
4550
4700
4650
4550
3750
3500
3350
3350
3500
3500
3700
3550
3500
3950
Sea lvl1000m2000m3000m4000m5000m
99101212121412876578776711108151311161489841097878
Sunrise
5:37
—
—
5:39
—
—
5:39
—
—
5:41
—
—
5:41
—
—
5:43
—
—
Sunset
—
5:32
—
—
5:31
—
—
5:30
—
—
5:29
—
—
5:27
—
—
5:25
—

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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