Karuizawa Snow Forecast - 7 day
Updated 31 October 2026 15:45 PDT
7-Day Snow Forecast for Karuizawa
1-week from 1 November.
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 64°F
Min 36°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 57°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 57°F
Temperature at BaseTemp at Base
Sun
01
Snow unlikely
Fair.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 58°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Mon
02
Snow unlikely
Rain showers early, then clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 58°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Tue
03
Snow unlikely
Clear sky, fair, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 55°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Wed
04
Snow unlikely
Clear sky first, fair then light drizzle, light rain later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 59°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 59°F
Temperature at BaseTemp at Base
Thu
05
Snow unlikely
Drizzle first, light drizzle then clear spells, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 64°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 64°F
Temperature at BaseTemp at Base
Fri
06
Snow unlikely
Cloudy first, clear sky then fair, light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 49°F
Min 36°F
Valley temperatures from an overnight low of 36°F to daytime highs around 49°F
Temperature at BaseTemp at Base
Sat
07
Snow unlikely
Light drizzle early, then 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 15:45 PDT, next update expected imminently.
Snow Forecast near Karuizawa
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Kusatsu Onsen | - | - |
How reliable is the snow in Karuizawa?
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.