Karuizawa Snow Forecast - 7 day
Updated 29 April 2026 16:42 UTC
7-Day Snow Forecast for Karuizawa
1-week from 29 April.
For Forecast detail, see below.
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Karuizawa 7-Day Snow Forecast Highlights
When will there be fresh snow in Karuizawa?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Karuizawa. |
7-Day Snow Outlook for Karuizawa
Snowfall
Snow Line
Max 20℃ 69°F
Min 5℃ 41°F
Snow unlikely
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Karuizawa Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
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.
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.
Max 13℃ 55°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 13℃ 55°F
Temperature at BaseTemp at Base
Fri
01
Snow unlikely
Light drizzle first, drizzle then cloudy, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 64°F
Min 7℃ 45°F
Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Sat
02
Snow unlikely
Clear sky, fair, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 20℃ 69°F
Min 7℃ 45°F
Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 20℃ 69°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Cloudy, drizzle, light rain later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 65°F
Min 12℃ 53°F
Valley temperatures from an overnight low of 12℃ 53°F to daytime highs around 18℃ 65°F
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Drizzle early, then light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 18℃ 64°F
Min 7℃ 45°F
Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Tue
05
Snow unlikely
Clear sky, fair, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
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.
Karuizawa Snow Forecast updated at 16:42 UTC, next update expected imminently.
Snow Forecast near Karuizawa
| Ski Area | 48 Hr | 7 Day | We | Th | Fr | Sa | Su | Mo | Tu |
|---|---|---|---|---|---|---|---|---|---|
| Kusatsu Onsen | - | 1cm 1in |
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.