By using Snow-Forecast, you agree to our Terms & Services.
Sign In with AppleDon't have an account? Join now
Osa Weather (Next 3 days): The snow forecast for Osa is: Drizzle on Sat afternoon turning to light snow on Sat night. Freeze-thaw conditions (max 4°C on Sat afternoon, min -9°C on Sun morning). Winds decreasing (gales from the W on Sat night, light winds from the WSW by Mon morning).
Osa Weather (Days 4-6): Drizzle at first, then turning colder with dusting of snow on Tue morning. Freeze-thaw conditions (max 3°C on Thu morning, min -8°C on Tue night). Winds decreasing (near gales from the W on Tue morning, light winds from the W by Wed night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -1 |  | ||||
| Bottom Lift: | 2 | |
Latest snow reports near Osa:
Fri 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | | | | | |  |  | | | | | | |
clear | some clouds | some clouds | light snow | light snow | light snow | light snow | light snow | some clouds | some clouds | light rain | snow shwrs | light snow | light snow | clear | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | 4 | 1 | 1 | 1 | — | — | — | 3 | — | — | — | — | — | |
— | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
max °C | -1 | 1 | 3 | 4 | -2 | -9 | -8 | -7 | -3 | -1 | 2 | 1 | -2 | -5 | -5 | -4 | 0 |
min °C | -2 | -2 | 2 | 2 | -8 | -9 | -8 | -9 | -6 | -2 | 0 | 0 | -4 | -8 | -6 | -4 | -4 |
-8 | -9 | -6 | -6 | -20 | -21 | -20 | -21 | -14 | -10 | -8 | -8 | -13 | -19 | -16 | -12 | -11 | |
68 | 94 | 91 | 89 | 95 | 76 | 83 | 89 | 63 | 86 | 91 | 96 | 91 | 89 | 77 | 79 | 61 | |
900 | 650 | 1250 | 1500 | 500 | 0 | 0 | 0 | 0 | 850 | 1100 | 1200 | 750 | 200 | 300 | 550 | 250 | |
 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — |
 | 5:16 | — | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | — | — | 5:21 | — |
Drizzle on Sat afternoon turning to light snow on Sat night. Freeze-thaw conditions (max 4°C on Sat afternoon, min -9°C on Sun morning). Winds decreasing (gales from the W on Sat night, light winds from the WSW by Mon morning).
Drizzle at first, then turning colder with dusting of snow on Tue morning. Freeze-thaw conditions (max 3°C on Thu morning, min -8°C on Tue night). Winds decreasing (near gales from the W on Tue morning, light winds from the W by Wed night).
Latest snow reports near Osa:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 8 Jan 2026 |
| Snow Alerts | Create Alert |
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | Powder days Fresh snow, limited sun, any wind. |
1.6 | Bluebird days Average snow, mostly sunny, light wind. |
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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Snow
Sign up or Login to access
Nearest