Karuizawa Snow Forecast - 7 day
Updated 23 May 2026 03:43 PDT
7-Day Snow Forecast for Karuizawa
1-week from 23 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 75°F
Min 45°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 51°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 51°F
Temperature at BaseTemp at Base
Sat
23
Snow unlikely
Clear spells, cloudy, light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 55°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Sun
24
Snow unlikely
Cloudy, clear spells, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 71°F
Min 50°F
Valley temperatures from an overnight low of 50°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Mon
25
Snow unlikely
Clear sky early, then clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 69°F
Min 55°F
Valley temperatures from an overnight low of 55°F to daytime highs around 69°F
Temperature at BaseTemp at Base
Tue
26
Snow unlikely
Cloudy early, then light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 66°F
Min 58°F
Valley temperatures from an overnight low of 58°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Wed
27
Snow unlikely
Cloudy, light drizzle, drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 75°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Thu
28
Snow unlikely
Light rain showers first, fair then light drizzle, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 72°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 72°F
Temperature at BaseTemp at Base
Fri
29
Snow unlikely
Clear sky, fair, clear sky 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 03:43 PDT, next update expected 06:00 PDT.
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.