Next 3 days weather summary:Moderate rain (total 14.0mm), heaviest on Sun morning. Warm (max 21°C on Sat morning, min 16°C on Thu night). Wind will be generally light. | Days 4-6 weather summary:Heavy rain (total 23.0mm), heaviest during Mon morning. Very mild (max 19°C on Sun afternoon, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  |  | | | |  | | | | |
rain shwrs | clear | clear | clear | some clouds | some clouds | rain shwrs | light rain | mod. rain | cloudy | light rain | mod. rain | mod. rain | rain shwrs | clear | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | — | — | — | — | — | 2 | 3 | 7 | — | 3 | 10 | 7 | 3 | — | — | — |
max °C | 17 | 16 | 20 | 20 | 17 | 21 | 21 | 18 | 18 | 19 | 17 | 17 | 17 | 14 | 17 | 17 | 16 |
min °C | 17 | 16 | 18 | 18 | 17 | 20 | 19 | 17 | 17 | 17 | 16 | 17 | 15 | 13 | 15 | 15 | 16 |
chill °C | 17 | 16 | 18 | 18 | 17 | 20 | 19 | 17 | 17 | 17 | 15 | 16 | 14 | 12 | 15 | 15 | 16 |
Humid % | 92 | 85 | 62 | 63 | 80 | 72 | 77 | 80 | 90 | 86 | 98 | 100 | 99 | 93 | 73 | 80 | 80 |
Freeze m | 4200 | 4400 | 4550 | 4600 | 4550 | 4600 | 4750 | 4700 | 4700 | 4750 | 5100 | 4950 | 4750 | 5200 | 5050 | 4750 | 4550 |
 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — |
 | 5:50 | — | — | 5:47 | — | — | 5:46 | — | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — |
SnowPro
Hourly & 16-day forecastsView past weatherFast, ad-free browsingSnow hindcasts & HistoryAvalanche information: Japan Avalanche Network
Latest snow reports near Joetsu Kokusai:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Joetsu Kokusai at the specific elevation of 1017 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Joetsu Kokusai. 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.
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