– Lat/Long: 36.12° N 138.18° E
Mount Ōsasa (Mount Osasa)
Weather Forecast, JapanIssued: 8 pm Tue 23 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 8 pm Tue 23 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Tue 23 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Ōsasa Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 20mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Wed afternoon, min -7°C on Fri afternoon). Winds increasing (calm on Thu afternoon, fresh winds from the WNW by Fri morning). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -9°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  |  | | | | | | | | | | |
heavy rain | rain shwrs | cloudy | rain shwrs | light rain | light rain | rain shwrs | light snow | clear | clear | cloudy | cloudy | clear | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
10 | 2 | — | 4 | 2 | 0.7 | 0.4 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 8 | 9 | 7 | 7 | 8 | 5 | -3 | -4 | -8 | -5 | -4 | -4 | 1 | 2 | -1 | 4 | 4 | 1 |
min °C | 3 | 5 | 7 | 6 | 6 | 5 | -3 | -3 | -7 | -9 | -8 | -5 | -5 | -2 | -1 | -1 | 1 | 1 | 0 |
0 | 2 | 5 | 5 | 5 | 5 | -10 | -9 | -13 | -13 | -12 | -7 | -7 | -6 | -3 | -1 | -3 | -4 | -5 | |
1600 | 2150 | 2550 | 2400 | 2250 | 2150 | 1600 | 650 | 400 | 0 | 0 | 500 | 0 | 750 | 1250 | 750 | 1200 | 1600 | 1050 | |
Cloud base (m) | 900 | 850 | 1700 | 2000 | 800 | 800 | 1550 | 1500 | 2300 | 6000 | 4750 | 2200 | 2300 | ||||||
 | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:38 | — | — | 4:39 | — | — | 4:39 | — |
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Mount Ōsasa Weather (Days 0-3):
The weather forecast for Mount Ōsasa is: Heavy rain (total 20mm), heaviest during Tue night. Later becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Wed afternoon, min -7°C on Fri afternoon). Winds increasing (calm on Thu afternoon, fresh winds from the WNW by Fri morning).
Mount Ōsasa Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -9°C on Fri night). Wind will be generally light.
This table gives the weather forecast for Mount Ōsasa at the specific elevation of 1000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Ōsasa. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Japan.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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Karuizawa |  | ||||
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.