Next 3 days weather summary:Heavy rain (total 38.0mm), heaviest during Wed night. Warm (max 25°C on Mon afternoon, min 16°C on Wed night). Wind will be generally light. | Days 4-6 weather summary:Heavy rain (total 33.0mm), heaviest during Thu night. Warm (max 21°C on Sat morning, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  |  | | | | | | | | | |
clear | clear | clear | some clouds | some clouds | cloudy | light rain | heavy rain | mod. rain | mod. rain | heavy rain | light rain | some clouds | clear | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | 1 | 27 | 10 | 9 | 16 | 5 | — | — | — | — | — | |
max °C | 25 | 21 | 23 | 23 | 19 | 22 | 21 | 17 | 18 | 18 | 17 | 17 | 18 | 16 | 21 | 21 | 18 |
min °C | 22 | 20 | 23 | 20 | 19 | 21 | 19 | 16 | 17 | 18 | 16 | 17 | 18 | 16 | 20 | 20 | 18 |
22 | 20 | 23 | 20 | 19 | 21 | 19 | 16 | 17 | 18 | 16 | 17 | 18 | 16 | 20 | 20 | 18 | |
42 | 61 | 52 | 52 | 62 | 59 | 62 | 96 | 95 | 92 | 90 | 82 | 76 | 83 | 70 | 66 | 81 | |
4400 | 4400 | 4400 | 4150 | 3950 | 3950 | 4000 | 4050 | 4050 | 4050 | 3950 | 3650 | 3800 | 4000 | 4200 | 4100 | 4050 | |
 | — | — | 4:37 | — | — | 4:37 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — | — |
 | 6:51 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:53 | — | — | 6:54 | — |
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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