– Lat/Long: 36.00° N 138.37° E
Mount Iō (Yatsugatake) (Mount Io (Yatsugatake)) Weather Forecast
Southern Yatsugatake Volcanic Group · JapanIssued: 2 pm Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 2 pm Fri 25 Sep 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 Fri night. Very mild (max 14°C on Mon morning, min 8°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Wed afternoon. Very mild (max 14°C on Thu morning, min 9°C on Mon night). Winds increasing (light winds from the WSW on Tue afternoon, fresh winds from the SW by Thu morning). | ||||||||||||||||
Fri 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  |  |  | | |  | | | | |
rain shwrs | light rain | light rain | light rain | light rain | light rain | light rain | light rain | some clouds | cloudy | cloudy | light rain | light rain | some clouds | rain shwrs | light rain | light rain | |
Cloud base (m) | 2100 | 2000 | 1550 | 800 | 800 | 850 | 1500 | 900 | 4350 | 5800 | 2050 | 2250 | 1550 | 850 | 950 | 800 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.7 | 4 | 2 | 1 | 0.6 | 0.3 | 1.4 | 1.5 | — | — | — | 0.6 | 1.1 | — | 0.1 | 4 | 4 |
max °C | 13 | 11 | 9 | 9 | 10 | 12 | 12 | 11 | 14 | 13 | 12 | 10 | 10 | 10 | 11 | 11 | 12 |
min °C | 12 | 8 | 8 | 9 | 9 | 10 | 11 | 10 | 13 | 12 | 9 | 10 | 10 | 9 | 11 | 11 | 11 |
chill °C | 12 | 7 | 6 | 7 | 6 | 8 | 9 | 7 | 11 | 11 | 7 | 9 | 8 | 7 | 10 | 9 | 8 |
Freezing level m | 3950 | 3600 | 3850 | 3950 | 3900 | 4000 | 4200 | 4200 | 4350 | 4150 | 4050 | 3800 | 3700 | 4200 | 4400 | 4450 | 4600 |
 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — |
 | 5:38 | — | — | 5:37 | — | — | 5:36 | — | — | 5:35 | — | — | 5:32 | — | — | 5:31 | — |
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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 Fri night. Very mild (max 14°C on Mon morning, min 8°C on Fri night). Wind will be generally light.
Mount Iō (Yatsugatake) Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Wed afternoon. Very mild (max 14°C on Thu morning, min 9°C on Mon night). Winds increasing (light winds from the WSW on Tue afternoon, fresh winds from the SW by Thu morning).
This table gives the weather forecast for Mount Iō (Yatsugatake) at the specific elevation of 2000 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 |
|---|---|---|---|---|---|
Matsumoto Airpor |  | ||||
* 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.