Karuizawa Snow Forecast - 7 day
Updated 22 July 2026 08:42 PDT
7-Day Snow Forecast for Karuizawa
1-week from 22 July.
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 90°F
Min 64°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 89°F
Min 72°F
Valley temperatures from an overnight low of 72°F to daytime highs around 89°F
Temperature at BaseTemp at Base
Wed
22
Snow unlikely
Clear sky.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 90°F
Min 70°F
Valley temperatures from an overnight low of 70°F to daytime highs around 90°F
Temperature at BaseTemp at Base
Thu
23
Snow unlikely
Clear sky, light drizzle, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 76°F
Min 69°F
Valley temperatures from an overnight low of 69°F to daytime highs around 76°F
Temperature at BaseTemp at Base
Fri
24
Snow unlikely
Fair first, light drizzle then cloudy, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 78°F
Min 67°F
Valley temperatures from an overnight low of 67°F to daytime highs around 78°F
Temperature at BaseTemp at Base
Sat
25
Snow unlikely
Drizzle, light drizzle, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 81°F
Min 67°F
Valley temperatures from an overnight low of 67°F to daytime highs around 81°F
Temperature at BaseTemp at Base
Sun
26
Snow unlikely
Light drizzle, light rain showers, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 83°F
Min 64°F
Valley temperatures from an overnight low of 64°F to daytime highs around 83°F
Temperature at BaseTemp at Base
Mon
27
Snow unlikely
Clear spells, cloudy, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 83°F
Min 65°F
Valley temperatures from an overnight low of 65°F to daytime highs around 83°F
Temperature at BaseTemp at Base
Tue
28
Snow unlikely
Clear spells, clear sky, 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 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 08:42 PDT, next update expected imminently.
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.