Next 3 days weather summary:Heavy rain (total 29.0mm), heaviest during Sat afternoon. Warm (max 27°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | Days 4-6 weather summary:Moderate rain (total 16.0mm), heaviest on Tue morning. Warm (max 27°C on Tue morning, min 23°C on Wed night). Wind will be generally light. | |||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | | | | | | | | |  | | | | |
t-storm risk | t-storm risk | rain shwrs | rain shwrs | t-storm risk | rain shwrs | t-storm risk | t-storm risk | rain shwrs | t-storm risk | t-storm risk | rain shwrs | t-storm risk | t-storm risk | clear | rain shwrs | t-storm risk | rain shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 5 | 8 | 2 | 1 | 3 | 1 | 3 | 5 | 1 | 4 | 2 | 1 | 2 | 1 | — | 1 | 4 | 1 |
max °C | 27 | 27 | 25 | 27 | 27 | 26 | 27 | 27 | 25 | 27 | 26 | 25 | 27 | 27 | 24 | 26 | 26 | 24 |
min °C | 26 | 26 | 24 | 27 | 26 | 25 | 27 | 27 | 25 | 26 | 26 | 24 | 27 | 25 | 23 | 26 | 25 | 24 |
chill °C | 26 | 26 | 24 | 27 | 26 | 25 | 27 | 27 | 25 | 26 | 26 | 24 | 27 | 25 | 23 | 26 | 25 | 24 |
Humid % | 81 | 83 | 86 | 73 | 83 | 85 | 78 | 82 | 87 | 86 | 85 | 88 | 76 | 75 | 88 | 78 | 84 | 85 |
Freeze m | 5300 | 5400 | 5400 | 5400 | 5450 | 5400 | 5500 | 5500 | 5500 | 5400 | 5450 | 5350 | 5200 | 5150 | 5050 | 5100 | 5150 | 5150 |
 | 4:41 | — | — | 4:43 | — | — | 4:43 | — | — | 4:43 | — | — | 4:45 | — | — | 4:46 | — | — |
 | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | — | 7:04 | — | — | 7:02 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Itoigawa Seaside Valley:
| 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 Itoigawa Seaside Valley at the specific elevation of 490 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Itoigawa Seaside Valley. 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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