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Weather Forecast for Osa at 1030 m

Weather Forecast for Osa at 1030 m altitude Issued: 8 pm 18 Sep 2025 (local time)

Forecast update in hr min s

Issued: 8 pm 18 Sep 2025 (local time)

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

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The snow forecast for Osa is: Heavy rain (total 20.0mm), heaviest during Sat afternoon. Warm (max 20°C on Sat morning, min 15°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sat morning).

Osa Weather (Next 3 days): The snow forecast for Osa is: Heavy rain (total 20.0mm), heaviest during Sat afternoon. Warm (max 20°C on Sat morning, min 15°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sat morning).

Osa Weather (Days 4-6): Heavy rain (total 22.0mm), heaviest during Wed afternoon. Warm (max 20°C on Wed afternoon, min 14°C on Sun night). Winds increasing (light winds from the S on Mon night, fresh winds from the S by Wed afternoon).

Osa Live Weather

	Resort	Snow Depth	Temp. (°C)	Wind (km/h)	Weather
	Top Lift:		17
	Bottom Lift:		16

Osa Weather

(Next 3 days):

The snow forecast for Osa is: Heavy rain (total 20.0mm), heaviest during Sat afternoon. Warm (max 20°C on Sat morning, min 15°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sat morning).

Osa Weather (Days 4-6):

Heavy rain (total 22.0mm), heaviest during Wed afternoon. Warm (max 20°C on Wed afternoon, min 14°C on Sun night). Winds increasing (light winds from the S on Mon night, fresh winds from the S by Wed afternoon).

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Next update: hr min s

6 Day Forecast

Issued: 8 pm 18 Sep 2025 / Updates in ::

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Osa at 1030 m altitude

Issued by Snow-Forecast.com at: 8 pm (local time) / 18 Sep 2025

Last 6 daysScroll left for last 6 daysNow

		Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	rain shwrs	risk thun- der	risk thun- der	rain shwrs	rain shwrs	light rain	some clouds	clear	cloudy	light rain	light rain	light rain	light rain	light rain	mod. rain	cloudy
km/h	NNE	ESE	ESE	SSW	SW	W	WNW	N	NE	ENE	ENE	E	SSE	SSE	S	S	S	S	SSW
Snow map More

cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	1	2	11	4	1	1	—	—	—	1	5	4	2	4	6	—
max°C	17	19	19	19	20	19	17	16	16	15	16	17	16	17	17	18	19	20	19
min°C	16	18	18	18	19	18	15	16	15	14	15	15	15	16	17	17	19	19	19
chill°C	16	18	18	18	18	17	14	16	14	13	14	14	14	15	16	16	18	18	18
Humid%	79	68	80	85	93	98	89	86	88	78	67	64	72	97	95	88	90	93	83
Freezing level (m)	4450	4500	4650	4700	4650	4600	4750	4350	4400	4400	4350	4550	4450	4400	4550	4700	4700	4850	4900

	—	5:56	—	—	5:56	—	—	5:56	—	—	5:58	—	—	5:58	—	—	5:58	—	—
	—	—	6:13	—	—	6:10	—	—	6:09	—	—	6:07	—	—	6:07	—	—	6:06	—

Next 0-3 days weather summary:

Heavy rain (total 20.0mm), heaviest during Sat afternoon. Warm (max 20°C on Sat morning, min 15°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sat morning).

Next 4-6 days weather summary:

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Osa Snow Conditions

Top snow depth:	—
Bottom snow depth:	—
Fresh snowfall depth:	—
Last snowfall:	15 Apr 2025
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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)

Osa Snow Report

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Snow History

Week 3 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.

Osa Snow History

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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 1030 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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The Osa skiing weather widget is available to embed on external websites free of charge. It provides a daily summary of our Osa snow forecast and current weather conditions. Simply go to the feed configuration page and follow the 3 simple steps to grab the custom html code snippet and paste it into your own site. You can choose the snow forecast elevation (summit, mid-mountain or bottom lift) and metric/imperial units for the snow forecast feed to suit your own website…. Click here to get the code.

View detailed snow forecast for Osa at:
snow-forecast.com