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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 1820 m altitude

Issued:
2 pm 25 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 26.0mm), heaviest during Fri night. Very mild (max 14°C on Fri afternoon, min 8°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 24.0mm), heaviest during Wed night. Very mild (max 16°C on Thu morning, min 9°C on Tue night). Wind will be generally light.

Fri
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
heavy rain
light rain
light rain
part cloud
light rain
light rain
mod rain
part cloud
light rain
light rain
light rain
light rain
clear
part cloud
mod rain
mod rain
some clouds
heavy rain
light rain
light rain
some clouds
light rain
light rain
mod. rain
some clouds
light rain
light rain
light rain
light rain
clear
some clouds
mod. rain
mod. rain
km/h
0
WNW
10
SW
10
SW
5
SW
5
SW
5
SW
5
SSW
10
SW
10
W
10
W
10
WNW
5
W
5
WSW
5
SSW
5
SSW
5
S
15
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
13
3
2
—
1
1
6
—
1
4
1
2
—
—
6
9
max °C
14
11
9
9
10
11
12
12
14
14
12
10
10
10
14
12
14
min °C
12
8
9
9
8
11
11
11
14
13
10
10
10
9
11
12
12
 chill °C
12
7
7
8
7
10
11
10
13
13
8
9
10
9
10
12
10
Humid %
57
84
93
98
95
92
90
94
71
71
90
88
80
80
73
93
95
Freeze m
3900
3550
3650
3750
3850
3850
4100
3950
4250
4100
3900
3750
3550
4000
4400
4350
4600
Sea lvl1000m2000m3000m4000m5000m
129889101111131210999121112139109911121116131111119141212
Sunrise
—
—
5:35
—
—
5:37
—
—
5:37
—
—
5:37
—
—
5:39
—
—
Sunset
5:38
—
—
5:37
—
—
5:36
—
—
5:35
—
—
5:32
—
—
5:31
—

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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