Next 4 days weather summary:Heavy rain (total 81.0mm), heaviest during Thu afternoon. Warm (max 22°C on Wed morning, min 16°C on Thu night). Wind will be generally light. | Days 5-7 weather summary:Moderate rain (total 16.0mm), heaviest on Sun morning. Warm (max 20°C on Mon morning, min 14°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | | | | |  | |  |  | |
some clouds | some clouds | light rain | heavy rain | heavy rain | heavy rain | heavy rain | rain shwrs | some clouds | some clouds | some clouds | light rain | cloudy | rain shwrs | risk thun- der | rain shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 1 | 28 | 18 | 19 | 14 | 1 | — | — | — | 2 | — | 6 | 3 | 3 | |
max °C | 19 | 22 | 22 | 17 | 18 | 19 | 18 | 18 | 17 | 16 | 19 | 19 | 17 | 18 | 19 | 17 |
min °C | 19 | 21 | 19 | 17 | 18 | 19 | 16 | 16 | 17 | 14 | 18 | 18 | 15 | 16 | 18 | 16 |
19 | 21 | 19 | 17 | 18 | 19 | 16 | 16 | 17 | 14 | 18 | 18 | 15 | 16 | 18 | 16 | |
50 | 50 | 54 | 95 | 94 | 97 | 98 | 92 | 86 | 88 | 71 | 80 | 77 | 91 | 81 | 88 | |
4050 | 3950 | 4050 | 4200 | 4350 | 4150 | 3850 | 3600 | 3700 | 4150 | 4150 | 3750 | 3700 | 3450 | 3550 | 3450 | |
 | — | 4:37 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — | — | 4:33 | — | — |
 | — | — | 6:52 | — | — | 6:52 | — | — | 6:53 | — | — | 6:54 | — | — | 6:55 | — |
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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