– Lat/Long: 36.00° N 138.37° E
Mount Iō (Yatsugatake) (Mount Io (Yatsugatake))
Weather Forecast, JapanIssued: 2 pm Wed 24 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 2 pm Wed 24 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 2 pm Wed 24 Dec Local Time
Updates in:
Update imminent hr min s
3 Mount Iō (Yatsugatake) Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 12mm) heaviest on Thu afternoon, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Wed afternoon, min -8°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Sat night). Wind will be generally light. | ||||||||||||||||
Wed 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  |  |  | | | | | | |  | |
light rain | light rain | light rain | heavy rain | rain shwrs | light snow | clear | clear | cloudy | some clouds | clear | clear | clear | clear | some clouds | clear | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | |
0.4 | 0.1 | 0.4 | 10 | 1.3 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 9 | 7 | 8 | 7 | 5 | -3 | -4 | -7 | -2 | -1 | -4 | 2 | 3 | 0 | 4 | 5 | 1 |
min °C | 7 | 7 | 7 | 6 | -3 | -3 | -6 | -8 | -5 | -3 | -4 | -1 | 1 | -1 | 1 | 2 | 1 |
6 | 6 | 6 | 5 | -7 | -8 | -11 | -11 | -5 | -3 | -6 | -3 | 0 | -5 | -3 | -1 | -2 | |
2800 | 2500 | 2450 | 2350 | 1700 | 500 | 400 | 0 | 200 | 900 | 0 | 800 | 1450 | 750 | 1100 | 1700 | 1150 | |
Cloud base (m) | 900 | 900 | 800 | 750 | 1300 | 1400 | 2050 | 6550 | 5300 | 6750 | 2300 | ||||||
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — |
 | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:38 | — | — | 4:39 | — |
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Mount Iō (Yatsugatake) Weather (Days 0-3):
The weather forecast for Mount Iō (Yatsugatake) is: Moderate rain (total 12mm) heaviest on Thu afternoon, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Wed afternoon, min -8°C on Fri night). Wind will be generally light.
Mount Iō (Yatsugatake) Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 5°C on Mon afternoon, min -4°C on Sat night). Wind will be generally light.
This table gives the weather forecast for Mount Iō (Yatsugatake) at the specific elevation of 1000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Iō (Yatsugatake). 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 |  | ||||
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* 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.