Next 4 days weather summary:Heavy rain (total 49.0mm), heaviest during Thu afternoon. Warm (max 21°C on Wed afternoon, min 17°C on Tue night). Wind will be generally light. | Days 5-7 weather summary:Heavy rain (total 32.0mm), heaviest during Sat night. Warm (max 22°C on Mon morning, min 17°C on Sat night). Wind will be generally light. | |||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | | | | |  | |
rain shwrs | some clouds | 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 | rain shwrs | t-storm risk | t-storm risk | t-storm risk | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 2 | — | 2 | 1 | 6 | 14 | 9 | 4 | 11 | 5 | 2 | 7 | 6 | 2 | 3 | 3 |
max °C | 18 | 20 | 21 | 19 | 20 | 20 | 19 | 20 | 20 | 18 | 20 | 20 | 19 | 19 | 19 | 18 |
min °C | 17 | 18 | 20 | 18 | 20 | 19 | 18 | 19 | 19 | 18 | 19 | 19 | 17 | 18 | 19 | 18 |
chill °C | 17 | 18 | 20 | 18 | 20 | 19 | 18 | 19 | 19 | 18 | 19 | 19 | 17 | 18 | 19 | 18 |
Humid % | 99 | 93 | 81 | 95 | 84 | 90 | 93 | 84 | 89 | 92 | 84 | 87 | 96 | 94 | 92 | 99 |
Freeze m | 5100 | 4950 | 4900 | 4900 | 4850 | 4950 | 4950 | 4900 | 4950 | 4950 | 4800 | 4850 | 4800 | 4800 | 4900 | 5000 |
 | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — |
 | — | — | 6:31 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:25 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Karuizawa Snow Park:
| 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 Karuizawa Snow Park at the specific elevation of 1335 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Karuizawa Snow Park. 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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