Karuizawa 48-Hour Snow Forecast
Updated 29 April 2026 16:42 UTC
2-Day Forecast for Karuizawa
48-hours from 29 April.
See below for forecast detail
Karuizawa Snow Forecast updated at 16:42 UTC, next update expected imminently.
Forecast for today in Karuizawa
Max 15℃ 58°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 15℃ 58°F
Temperature at BaseTemp at Base
Wed
29
Snow unlikely
Fair first, clear spells then fair, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Karuizawa
Max 7℃ 44°F
Min 5℃ 41°F
Valley temperatures from an overnight low of 5℃ 41°F to daytime highs around 7℃ 44°F
Temperature at BaseTemp at Base
Thu
30
Snow unlikely
Cloudy, light drizzle, heavy drizzle 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? | |||
|---|---|---|---|---|---|---|---|
| Wed | 09:00 | | Fair. | 14℃ 57°F | SW Light | -125% | |
| Wed | 10:00 | | Fair. | 14℃ 57°F | SW Light | -125% | |
| Wed | 11:00 | | Fair. | 15℃ 58°F | SW Light | -125% | |
| Wed | 12:00 | | Clear spells. | 15℃ 58°F | SW Light | -125% | |
| Wed | 13:00 | | Clear spells. | 15℃ 58°F | SW Light | -125% | |
| Wed | 14:00 | | Clear spells. | 14℃ 58°F | SW Light | -125% | |
| Wed | 15:00 | | Clear spells. | 15℃ 58°F | SW Light | -125% | |
| Wed | 16:00 | | Clear spells. | 13℃ 56°F | SW Light | -125% | |
| Wed | 17:00 | | Cloudy. | 12℃ 53°F | SW Light | -125% | |
| Wed | 18:00 | | Cloudy. | 10℃ 50°F | SW Light | -125% | |
| Wed | 19:00 | | Clear spells. | 9℃ 49°F | SW Light | -125% | |
| Wed | 20:00 | | Clear spells. | 9℃ 47°F | SW Light | -125% | |
| Wed | 21:00 | | Clear spells. | 8℃ 46°F | SW Light | -125% | |
| Wed | 22:00 | | Fair. | 7℃ 45°F | SW Light | -125% | |
| Wed | 23:00 | | Cloudy. | 7℃ 44°F | SW Light | -125% | |
| Thu | 00:00 | | Fair. | 6℃ 43°F | SE Light | -125% | |
| Thu | 01:00 | | Fair. | 6℃ 42°F | SE Light | -125% | |
| Thu | 02:00 | | Fair. | 5℃ 42°F | SE Light | -125% | |
| Thu | 03:00 | | Fair. | 5℃ 42°F | SE Light | -125% | |
| Thu | 04:00 | | Clear spells. | 5℃ 41°F | SE Light | -125% | |
| Thu | 05:00 | | Clear spells. | 5℃ 42°F | SE Light | -125% | |
| Thu | 06:00 | | Clear spells. | 6℃ 42°F | SE Light | -125% | |
| Thu | 07:00 | | Clear spells. | 6℃ 43°F | SE Light | -125% | |
| Thu | 08:00 | | Clear spells. | 6℃ 43°F | SE Light | -125% | |
| Thu | 09:00 | | Cloudy. | 6℃ 43°F | SE Light | -125% | |
| Thu | 10:00 | | Cloudy. | 6℃ 43°F | SE Light | -125% | |
| Thu | 11:00 | | Cloudy. | 6℃ 43°F | SE Light | -125% | |
| Thu | 12:00 | | Cloudy. | 6℃ 43°F | SE Light | -125% | |
| Thu | 13:00 | | Cloudy. | 6℃ 43°F | SE Light | -125% | |
| Thu | 14:00 | | Cloudy. | 6℃ 44°F | SE Light | -125% | |
| Thu | 15:00 | | Cloudy. | 7℃ 44°F | SE Light | -125% | |
| Thu | 16:00 | | Cloudy. | 6℃ 43°F | SE Light | -125% | |
| Thu | 17:00 | | Light drizzle. | 6℃ 42°F | SE Light | -125% | |
| Thu | 18:00 | | Light drizzle. | 5℃ 41°F | SE Light | -125% | |
| Thu | 19:00 | | Light drizzle. | 5℃ 41°F | SE Light | -125% | |
| Thu | 20:00 | | Light drizzle. | 5℃ 41°F | SE Light | -125% | |
| Thu | 21:00 | | Light drizzle. | 5℃ 41°F | SE Light | -125% | |
| Thu | 22:00 | | Cloudy. | 5℃ 41°F | SE Light | -125% | |
| Thu | 23:00 | | Light drizzle. | 5℃ 41°F | SE Light | -125% | |
| Fri | 00:00 | | Light drizzle. | 6℃ 42°F | SE Light | -125% | |
| Fri | 01:00 | | Light drizzle. | 6℃ 43°F | SE Light | -125% | |
| Fri | 02:00 |  | Light rain. | 6℃ 43°F | SE Light | -125% | |
| Fri | 03:00 |  | Heavy drizzle. | 7℃ 44°F | SE Light | -125% | |
| Fri | 04:00 | | Drizzle. | 7℃ 44°F | SE Light | -125% | |
| Fri | 05:00 | | Drizzle. | 7℃ 45°F | SE Light | -125% | |
| Fri | 06:00 | | Heavy drizzle. | 8℃ 46°F | SE Light | -125% | |
| Fri | 07:00 | | Heavy drizzle. | 8℃ 46°F | SE Light | -125% | |
| Fri | 08:00 | | Light rain. | 8℃ 47°F | SE Light | -125% | |
Snow Forecast near Karuizawa
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | We | Th | Fr | Sa | Su | Mo | Tu |
|---|---|---|---|---|---|---|---|---|---|
| Kusatsu Onsen | - | 1cm 1in |
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 piste 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.