Karuizawa Snow Forecast - 7 day
Updated 11 October 2026 08:45 PDT
7-Day Snow Forecast for Karuizawa
1-week from 11 October.
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 44°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 71°F
Min 55°F
Valley temperatures from an overnight low of 55°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Sun
11
Snow unlikely
Clear sky early, then fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 66°F
Min 53°F
Valley temperatures from an overnight low of 53°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Mon
12
Snow unlikely
Fair first, clear sky then clear spells, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 64°F
Min 53°F
Valley temperatures from an overnight low of 53°F to daytime highs around 64°F
Temperature at BaseTemp at Base
Tue
13
Snow unlikely
Fair, clear sky, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 66°F
Min 48°F
Valley temperatures from an overnight low of 48°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Wed
14
Snow unlikely
Light rain first, light drizzle then clear spells, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 64°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 64°F
Temperature at BaseTemp at Base
Thu
15
Snow unlikely
Clear sky, clear spells, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 68°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 68°F
Temperature at BaseTemp at Base
Fri
16
Snow unlikely
Clear sky first, fair then clear spells, fair 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
Sat
17
Snow unlikely
Clear sky first, fair then light drizzle, cloudy 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 08:45 PDT, next update expected 11:00 PDT.
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.