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Ski Japan - Hiroshima

Osa Snow Forecast

34.74° N 132.22° E

Weather Forecast for Osa at 865 m altitude

Issued:
8 pm 03 Oct 2026 (local time)
Forecast update in:
 hr.  min.
Last 6 daysScroll left for last 6 daysNow
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
part cloud
light rain
light rain
light rain
rain showers
rain showers
part cloud
rain showers
clear
clear
clear
clear
clear
clear
cloudy
cloudy
some clouds
light rain
light rain
light rain
rain shwrs
rain shwrs
some clouds
rain shwrs
clear
clear
clear
clear
clear
clear
km/h
10
S
5
SW
5
S
15
SSW
15
SW
15
W
10
W
10
NW
15
NNW
15
N
20
NNE
25
N
20
NNE
15
NE
5
ENE
10
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
3
2
2
4
2
—
1
—
—
—
—
—
—
max °C
15
16
17
15
17
16
14
13
13
12
13
13
10
15
16
15
min °C
14
16
15
15
16
15
12
12
12
11
12
10
10
14
14
14
 chill °C
13
16
15
14
15
14
11
11
10
9
10
7
7
13
14
13
Humid %
67
51
58
96
96
96
94
93
76
92
85
72
80
43
63
58
Freeze m
4150
3300
3900
3950
4100
4400
4350
4100
3700
3900
3150
2900
3550
4150
4250
4250
Sea lvl1000m2000m3000m4000m5000m
1415161416151211111111101013141414171615171613141412151310161613
Sunrise
—
6:07
—
—
6:07
—
—
6:07
—
—
6:09
—
—
6:09
—
—
Sunset
—
—
5:52
—
—
5:50
—
—
5:49
—
—
5:46
—
—
5:45
—

Next 4 days weather summary:

Moderate rain (total 13.0mm), heaviest on Sun night. Very mild (max 17°C on Sun afternoon, min 12°C on Mon night). Wind will be generally light.

Days 5-7 weather summary:

Some drizzle, heaviest during Tue night. Very mild (max 19°C on Fri morning, min 10°C on Wed afternoon). Wind will be generally light.

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Avalanche information: Japan Avalanche Network


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)

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Snow History

Week 1 of October 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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