Karuizawa Snow Forecast - 7 day
Updated 02 May 2026 21:40 PDT
7-Day Snow Forecast for Karuizawa
1-week from 3 May.
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 71°F
Min 39°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 59°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 59°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Clear spells, rain showers, light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 67°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 67°F
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Clear sky, fair, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 62°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 62°F
Temperature at BaseTemp at Base
Tue
05
Snow unlikely
Clear sky.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 66°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Wed
06
Snow unlikely
Fair, cloudy, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 71°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Thu
07
Snow unlikely
Clear sky, fair, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 68°F
Min 48°F
Valley temperatures from an overnight low of 48°F to daytime highs around 68°F
Temperature at BaseTemp at Base
Fri
08
Snow unlikely
Clear spells, light drizzle, heavy drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 54°F
Min 50°F
Valley temperatures from an overnight low of 50°F to daytime highs around 54°F
Temperature at BaseTemp at Base
Sat
09
Snow unlikely
Light rain, drizzle, fair 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 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.
Karuizawa Snow Forecast updated at 21:40 PDT, next update expected imminently.
Snow Forecast near Karuizawa
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Kusatsu Onsen | - | - |
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.