Karuizawa 48-Hour Snow Forecast
Updated 21 March 2026 21:41 AEDT
2-Day Forecast for Karuizawa
48-hours from 21 March.
See below for forecast detail
Karuizawa Snow Forecast updated at 21:41 AEDT, next update expected 00:00 AEDT.
Forecast for today in Karuizawa
Max 7℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 7℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Sat
21
Snow unlikely
Clear sky.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Karuizawa
Max 8℃
Min -2℃
Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 8℃
Temperature at BaseTemp at Base
Sun
22
Snow unlikely
Clear spells, fair, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sat | 09:00 | | Clear sky. | 2℃ | NW Light | -125% | |
| Sat | 10:00 | | Clear sky. | 4℃ | NW Light | -125% | |
| Sat | 11:00 | | Clear sky. | 5℃ | NW Light | -125% | |
| Sat | 12:00 | | Clear sky. | 6℃ | NW Light | -125% | |
| Sat | 13:00 | | Clear sky. | 7℃ | NW Light | -125% | |
| Sat | 14:00 | | Clear sky. | 7℃ | NW Light | -125% | |
| Sat | 15:00 | | Clear sky. | 7℃ | NW Light | -125% | |
| Sat | 16:00 | | Clear sky. | 6℃ | NW Light | -125% | |
| Sat | 17:00 | | Clear sky. | 5℃ | NW Light | -125% | |
| Sat | 18:00 | | Clear sky. | 3℃ | NW Light | -125% | |
| Sat | 19:00 | | Clear sky. | 1℃ | NW Light | -125% | |
| Sat | 20:00 | | Clear sky. | 1℃ | NW Light | -125% | |
| Sat | 21:00 | | Clear sky. | 0℃ | NW Light | -125% | |
| Sat | 22:00 | | Clear sky. | 0℃ | NW Light | -125% | |
| Sat | 23:00 | | Clear sky. | -1℃ | NW Light | -125% | |
| Sun | 00:00 | | Clear sky. | -1℃ | SW Light | -125% | |
| Sun | 01:00 | | Clear sky. | -1℃ | SW Light | -125% | |
| Sun | 02:00 | | Clear sky. | -1℃ | SW Light | -125% | |
| Sun | 03:00 | | Clear sky. | -1℃ | SW Light | -125% | |
| Sun | 04:00 | | Clear sky. | -2℃ | SW Light | -125% | |
| Sun | 05:00 | | Clear sky. | -1℃ | SW Light | -125% | |
| Sun | 06:00 | | Clear sky. | -1℃ | SW Light | -125% | |
| Sun | 07:00 | | Clear sky. | 0℃ | SW Light | -125% | |
| Sun | 08:00 | | Clear sky. | 3℃ | SW Calm | -125% | |
| Sun | 09:00 | | Fair. | 5℃ | SW Light | -125% | |
| Sun | 10:00 | | Fair. | 6℃ | SW Light | -125% | |
| Sun | 11:00 | | Clear spells. | 7℃ | SW Light | -125% | |
| Sun | 12:00 | | Clear spells. | 7℃ | SW Light | -125% | |
| Sun | 13:00 | | Clear spells. | 8℃ | SW Light | -125% | |
| Sun | 14:00 | | Clear spells. | 8℃ | SW Light | -125% | |
| Sun | 15:00 | | Fair. | 8℃ | SW Light | -125% | |
| Sun | 16:00 | | Fair. | 7℃ | SW Light | -125% | |
| Sun | 17:00 | | Fair. | 6℃ | SW Light | -125% | |
| Sun | 18:00 | | Clear sky. | 5℃ | SW Light | -125% | |
| Sun | 19:00 | | Clear sky. | 4℃ | SW Light | -125% | |
| Sun | 20:00 | | Clear sky. | 3℃ | SW Light | -125% | |
| Sun | 21:00 | | Clear sky. | 3℃ | SW Light | -125% | |
| Sun | 22:00 | | Fair. | 2℃ | SW Light | -125% | |
| Sun | 23:00 | | Fair. | 2℃ | SW Light | -125% | |
| Mon | 00:00 | | Fair. | 3℃ | SW Light | -125% | |
| Mon | 01:00 | | Fair. | 4℃ | SW Light | -125% | |
| Mon | 02:00 | | Fair. | 5℃ | SW Light | -125% | |
| Mon | 03:00 | | Fair. | 5℃ | SW Light | -125% | |
| Mon | 04:00 | | Clear sky. | 4℃ | SW Light | -125% | |
| Mon | 05:00 | | Clear sky. | 4℃ | SW Light | -125% | |
| Mon | 06:00 | | Clear sky. | 4℃ | SW Light | -125% | |
| Mon | 07:00 | | Clear sky. | 5℃ | SW Light | -125% | |
| Mon | 08:00 | | Clear sky. | 7℃ | SW Light | -125% | |
Snow Forecast near Karuizawa
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Karuizawa are not available.
Karuizawa Snow
For current snow depths and skiing conditions, see our Current Snow Report for Karuizawa.
No significant snowfall is forecast for this period.
This Snow Forecast for Karuizawa, Japan gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Karuizawa, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Snow Reliability
Karuizawa typically enjoys reliable snow conditions with an average snow depth of 100 cm during peak season. For the latest snow information, including current conditions and snowfall, check J2Ski for updates.