comScore pixel
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:
8 pm 25 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 23.0mm), heaviest during Fri night. Very mild (max 13°C on Sun night, min 8°C on Fri night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 48.0mm), heaviest during Thu morning. Very mild (max 13°C on Wed morning, min 10°C on Mon night). Wind will be generally light.

Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
light rain
light rain
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
rain showers
light rain
heavy rain
heavy rain
light rain
light rain
cloudy
cloudy
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain shwrs
rain shwrs
light rain
heavy rain
km/h
5
SW
10
SW
5
SSW
5
SW
5
SSW
5
SW
15
SW
10
WSW
10
W
10
WNW
5
WNW
5
WNW
5
SW
5
SSW
5
SSW
10
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
12
3
2
—
—
1
1
2
2
1
2
2
2
1
1
11
max °C
11
9
9
10
12
12
13
13
12
11
10
10
10
13
13
11
min °C
8
9
8
8
11
11
11
12
11
10
10
10
10
11
11
11
 chill °C
7
7
7
7
11
10
10
11
10
9
9
9
10
10
10
10
Humid %
82
95
98
96
88
86
87
77
77
84
92
89
86
74
71
94
Freeze m
3650
3600
3700
3800
3900
4100
4150
4050
4200
3950
3950
3800
3900
4400
4200
4500
Sea lvl1000m2000m3000m4000m5000m
9889111112121110109101111111010109121212131211111110141311
Sunrise
—
5:35
—
—
5:37
—
—
5:37
—
—
5:37
—
—
5:39
—
—
Sunset
—
—
5:37
—
—
5:36
—
—
5:35
—
—
5:32
—
—
5:31
—

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.
  • Circle CheckHourly & 16-day forecasts
  • Circle CheckView past weather
  • Circle CheckFast, ad-free browsing
  • Circle CheckSnow hindcasts & History
Unlocks app & website

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)

Snow-Forecast Partner Offers

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.

Map placeholder