– Lat/Long: 36.00° N 138.37° E
Mount Iō (Yatsugatake) (Mount Io (Yatsugatake))
Weather Forecast, JapanIssued: 8 am Sat 20 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 8 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 8 am Sat 20 Dec Local Time
Updates in:
Update imminent hr min s
3 Mount Iō (Yatsugatake) Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 12mm), heaviest on Sun night. Freeze-thaw conditions (max 9°C on Sun morning, min -1°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 23mm), heaviest during Wed afternoon. Later becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 7°C on Wed night, min -2°C on Thu night). Wind will be generally light. | |||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | |  | | | | |  |  | | |  | |
rain shwrs | some clouds | some clouds | some clouds | light rain | rain shwrs | clear | clear | clear | some clouds | clear | some clouds | light rain | mod. rain | light rain | light rain | mod. rain | snow shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | |
0.5 | — | — | — | 2 | 9 | — | — | — | — | — | — | 4 | 10 | 1.1 | 1.9 | 6 | — | |
max°C | 7 | 8 | 8 | 9 | 9 | 5 | 1 | 2 | 0 | 5 | 5 | 2 | 4 | 6 | 7 | 5 | 5 | 2 |
min°C | 6 | 8 | 7 | 9 | 8 | 0 | -1 | -1 | -1 | 2 | 2 | 1 | 2 | 5 | 5 | 5 | 2 | -2 |
4 | 6 | 5 | 7 | 6 | -5 | -6 | -4 | -3 | 0 | -1 | -2 | -2 | 2 | 3 | 4 | 0 | -6 | |
2300 | 2600 | 2700 | 2850 | 2750 | 1600 | 900 | 1250 | 900 | 1300 | 1900 | 1300 | 1350 | 2100 | 2350 | 1950 | 1900 | 1250 | |
Cloud base (m) | 950 | 950 | 1950 | 2500 | 1500 | 850 | 850 | 900 | 900 | 6750 | 5700 | 2100 | 950 | 800 | 800 | 800 | 800 | 800 |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:35 | — | — | 4:35 | — | — | 4:36 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — |
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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 Sun night. Freeze-thaw conditions (max 9°C on Sun morning, min -1°C on Mon morning). Wind will be generally light.
Mount Iō (Yatsugatake) Weather (Days 3-6):
Heavy rain (total 23mm), heaviest during Wed afternoon. Later becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 7°C on Wed night, min -2°C on Thu 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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Matsumoto Airport |  | ||||
* 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.