Next 3 days weather summary:Heavy rain (total 21.0mm), heaviest during Tue morning. Warm (max 21°C on Wed afternoon, min 12°C on Thu night). Wind will be generally light. | Days 4-6 weather summary:Moderate rain (total 12.0mm), heaviest on Fri morning. Very mild (max 17°C on Sun morning, min 8°C on Fri night). Wind will be generally light. | |||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  |  | | | | |  | | | | | |
mod. rain | light rain | some clouds | clear | clear | clear | some clouds | rain shwrs | mod. rain | light rain | rain shwrs | clear | some clouds | cloudy | some clouds | cloudy | light rain | mod. rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 7 | 2 | — | — | — | — | — | 2 | 10 | 3 | 2 | — | — | — | — | — | 1 | 6 |
max °C | 16 | 15 | 14 | 20 | 21 | 18 | 20 | 18 | 16 | 13 | 13 | 10 | 15 | 15 | 13 | 17 | 15 | 14 |
min °C | 15 | 15 | 13 | 18 | 18 | 17 | 20 | 16 | 12 | 12 | 11 | 8 | 13 | 12 | 13 | 16 | 14 | 14 |
chill °C | 15 | 15 | 13 | 18 | 18 | 17 | 20 | 16 | 11 | 11 | 11 | 8 | 13 | 12 | 13 | 16 | 13 | 12 |
Humid % | 99 | 98 | 85 | 57 | 65 | 84 | 76 | 91 | 98 | 87 | 83 | 82 | 57 | 60 | 74 | 66 | 76 | 86 |
Freeze m | 3900 | 3900 | 4150 | 4350 | 4450 | 4600 | 4550 | 4550 | 3650 | 2900 | 3250 | 3200 | 3450 | 3450 | 3500 | 3650 | 3400 | 4000 |
 | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — |
 | — | 5:31 | — | — | 5:30 | — | — | 5:29 | — | — | 5:27 | — | — | 5:25 | — | — | 5:23 | — |
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 608 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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