snowy resort image
Ski Japan - Hiroshima

Osa Snow Forecast

Weather Forecast for Osa at 865 m
Issued: 2 pm  20 Nov 2025 (local time)

The snow forecast for Osa is: Mostly dry. Very mild (max 10°C on Sun morning, min 4°C on Fri afternoon). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the WSW by Sat night).

Osa Weather (Next 3 days): The snow forecast for Osa is: Mostly dry. Very mild (max 10°C on Sun morning, min 4°C on Fri afternoon). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the WSW by Sat night).

Osa Weather (Days 4-6): Moderate rain (total 17.0mm), heaviest on Tue afternoon. Freeze-thaw conditions (max 10°C on Sun afternoon, min -1°C on Tue night). Winds increasing (light winds from the SSW on Sun afternoon, gales from the W by Tue night).


Osa Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
4
25
part cloud
Bottom Lift: 
5
20
part cloud
6 Day Forecast
Issued: 2 pm 20 Nov 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
rain showers
mod rain
mod rain
light snow
part cloud
rain showers
part cloud
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
rain shwrs
mod. rain
mod. rain
light snow
some clouds
rain shwrs
some clouds
 km/h
25
W
30
W
30
W
35
WNW
20
NW
15
WNW
10
W
10
SW
15
SW
5
SW
15
SW
10
W
10
WSW
15
SW
35
WSW
60
W
60
WNW
35
WNW
30
NNW
10
N
Snow map
 cm 
 mm 
3
6
8
1
max°C
6
5
6
5
5
7
8
7
10
10
7
10
10
8
8
5
1
3
5
4
min°C
5
5
5
4
4
5
7
7
8
8
6
8
8
7
7
3
-1
2
4
3
chill°C 
1
1
0
-2
-1
2
6
6
6
7
3
6
6
4
2
-5
-10
-4
-1
1
Humid% 
81
89
84
71
85
82
64
49
45
54
49
79
69
80
93
89
79
88
91
86
Freezing level (m
1500
1800
1500
1400
1450
1550
2300
2650
2700
2600
2450
2500
2200
2300
2050
1550
800
1100
1450
1400
topliftbotliftSea lvl1000m2000m3000m4000m5000m
4453357788788763-1233768659851010611108962464
Sunrise
6:50
6:50
6:52
6:52
6:52
6:54
Sunset
5:02
5:02
5:01
5:01
5:00
5:00
5:00

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:1cm
Last snowfall:18 Nov 2025
Snow AlertsCreate Alert
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)


Snow History

Week 3 of November has on average:
0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.2
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.