Osa Snow Forecast (mid mountain)

Weather Forecast for Osa at 865 m

Weather Forecast for Osa at 865 m altitude Issued: 2 pm 12 Mar 2026 (local time)

Forecast update in hr min s

New snow in Osa: 1.5cm0.6in on Fri 13th (after 9 AM)

Issued: 2 pm 12 Mar 2026 (local time)

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Japan - Hiroshima(19)
Osa(Lat Long: 34.74° N 132.22° E)

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New snow in Osa

0.6in

Fri 13th (AM)

The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the NNE on Fri afternoon, light winds from the N by Sun morning).

Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the NNE on Fri afternoon, light winds from the N by Sun morning).

Osa Weather (Days 4-6): Mostly dry. Mild temperatures (max 8°C on Tue morning, min 2°C on Sun night). Wind will be generally light.

Osa Live Weather

	Resort	Snow Depth	Temp. (°C)	Wind (km/h)	Weather
	Top Lift:		-1
	Bottom Lift:		1

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Issued: 2 pm 12 Mar 2026 / Updates in ::

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Osa at 865 m altitude

Issued by Snow-Forecast.com at: 2 pm (local time) / 12 Mar 2026

Osa Weather

(Next 3 days):

The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the NNE on Fri afternoon, light winds from the N by Sun morning).

Osa Weather (Days 4-6):

Mostly dry. Mild temperatures (max 8°C on Tue morning, min 2°C on Sun night). Wind will be generally light.

Osa Weather (Days 7-16):

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Last 6 daysScroll left for last 6 daysNow

	Thu 12		Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	light snow	light snow	snow shwrs	some clouds	some clouds	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	some clouds	some clouds	some clouds
km/h	NNE	NE	NNE	NNE	NNE	NE	NNE	NNW	NNE	N	WNW	ENE	NNE	SSW	WSW	W	SW
Snow map More

cm	—	—	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	-2	-2	-2	-1	3	6	3	5	5	3	6	7	4	8	8	6
min °C	0	-3	-2	-3	-3	1	4	1	4	3	2	4	5	3	6	6	5
chill °C	-6	-10	-9	-11	-11	-5	1	-3	1	0	0	2	5	0	3	6	3
Humid %	61	77	82	73	84	69	49	49	41	73	67	52	62	80	69	75	73
Freeze m	1200	600	650	700	500	1000	2000	1900	1550	1450	1600	1400	1750	1800	1800	2100	2350

	—	—	6:24	—	—	6:24	—	—	6:22	—	—	6:20	—	—	6:20	—	—
	6:15	—	—	6:15	—	—	6:16	—	—	6:17	—	—	6:17	—	—	6:19	—

Next 0-3 days weather summary:

A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the NNE on Fri afternoon, light winds from the N by Sun morning).

Next 4-6 days weather summary:

Mostly dry. Mild temperatures (max 8°C on Tue morning, min 2°C on Sun night). Wind will be generally light.

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Osa Snow Conditions

Top snow depth:	—
Bottom snow depth:	—
Fresh snowfall depth:	—
Last snowfall:	9 Mar 2026
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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)

Osa Snow Report

Snow History

Week 2 of March has on average:

0.2	Bluebird Powder days Fresh snow, mostly sunny, light wind.
0.3	Powder days Fresh snow, limited sun, any wind.
0.6	Bluebird days Average snow, mostly sunny, light wind.

Osa Snow History

A Day Of Boarding Celebration

Nearly five decades after founding Burton, Jake Burton Carpenter’s impact continues to shape snowboarding. On March 14, 39 resorts will honour his legacy through A Day For Jake a global invitation to simply get out and ride. “Less about ceremony and more about participation. It’s a day to get on snow. To ride with friends. To watch snowboard films, tune your gear, and revisit your favorite riding spots,” a Burton spokesperson said, adding, “If you can’t celebrate at a resort—that’s ok. Go surf.

Osa Forecast Snowfall

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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)

The above table gives the weather forecast for Osa at the specific elevation of 865 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.

Click here to read further information on freezing levels and how we forecast our temperatures.

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