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Ski Japan - Hiroshima

Osa Snow Forecast

Weather Forecast for Osa at 865 m
Issued: 2 pm  20 Mar 2026 (local time)

New snow in Osa

1.0cm0.4in
Sun 29th (NGT)
The snow forecast for Osa is: Heavy rain (total 26.0mm), heaviest during Sun night. Very mild (max 10°C on Sun morning, min 1°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sat afternoon).

Osa Weather (Next 3 days): The snow forecast for Osa is: Heavy rain (total 26.0mm), heaviest during Sun night. Very mild (max 10°C on Sun morning, min 1°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sat afternoon).

Osa Weather (Days 4-6): Light rain (total 3.0mm), mostly falling on Mon night. Very mild (max 10°C on Thu morning, min 2°C on Mon night). Wind will be generally light.


Osa Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
1
25
part cloud
Bottom Lift: 
2
15
part cloud
6 Day Forecast
Issued: 2 pm 20 Mar 2026 / Updates in ::
Change Forecast Height
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Last 6 daysScroll left for last 6 daysNow
Fri
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
clear
part cloud
cloud
light rain
heavy rain
rain showers
part cloud
rain showers
part cloud
part cloud
part cloud
light rain
part cloud
clear
some clouds
clear
clear
clear
some clouds
cloudy
light rain
heavy rain
rain shwrs
some clouds
rain shwrs
some clouds
some clouds
some clouds
light rain
some clouds
clear
 km/h
30
WNW
15
NNW
0
NNE
0
SSW
15
SW
15
SW
10
SW
10
S
15
WNW
25
NNW
25
N
20
NNE
10
NE
5
SSW
0
W
5
ESE
5
NNE
Snow map
5
19
2
1
2
max °C
4
2
7
8
5
10
9
6
6
6
2
6
7
6
4
7
5
min °C
3
1
5
6
4
7
7
5
6
4
2
5
7
5
4
6
5
-2
-2
5
6
1
4
5
4
3
-1
-4
1
5
5
4
5
4
39
59
30
46
50
67
75
99
96
63
51
30
50
40
75
78
59
1400
1300
1500
1900
1950
1950
2150
1950
1800
1500
1400
1900
2050
2300
1400
1750
2100
Sea lvl1000m2000m3000m4000m5000m
315647755425653556198410107873885684
Sunrise
6:13
6:13
6:11
6:09
6:07
Sunset
6:22
6:22
6:22
6:23
6:24
6:25

Snow Radar

Latest snow reports near Osa:

No recent snow reports

No recent snow reports

Osa Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:13 Mar 2026
Snow AlertsCreate Alert
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)


Snow History

Week 3 of March has on average:
0.1
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.1
Powder days
Fresh snow, limited sun, any wind.
0.2
Bluebird days
Average snow, mostly sunny, light wind.

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