Karuizawa Snow Forecast - 7 day
Updated 14 June 2026 21:43 UTC
7-Day Snow Forecast for Karuizawa
1-week from 15 June.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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 26℃ 78°F
Min 11℃ 53°F
Snow unlikely
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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 15℃ 58°F
Min 12℃ 53°F
Valley temperatures from an overnight low of 12℃ 53°F to daytime highs around 15℃ 58°F
Temperature at BaseTemp at Base
Mon
15
Snow unlikely
Cloudy, clear spells, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 21℃ 70°F
Min 11℃ 53°F
Valley temperatures from an overnight low of 11℃ 53°F to daytime highs around 21℃ 70°F
Temperature at BaseTemp at Base
Tue
16
Snow unlikely
Clear spells early, then clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 22℃ 71°F
Min 13℃ 56°F
Valley temperatures from an overnight low of 13℃ 56°F to daytime highs around 22℃ 71°F
Temperature at BaseTemp at Base
Wed
17
Snow unlikely
Clear sky early, then drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 17℃ 63°F
Min 12℃ 54°F
Valley temperatures from an overnight low of 12℃ 54°F to daytime highs around 17℃ 63°F
Temperature at BaseTemp at Base
Thu
18
Snow unlikely
Light rain, light drizzle, fair later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 26℃ 78°F
Min 15℃ 58°F
Valley temperatures from an overnight low of 15℃ 58°F to daytime highs around 26℃ 78°F
Temperature at BaseTemp at Base
Fri
19
Snow unlikely
Clear sky, light drizzle, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 24℃ 76°F
Min 16℃ 61°F
Valley temperatures from an overnight low of 16℃ 61°F to daytime highs around 24℃ 76°F
Temperature at BaseTemp at Base
Sat
20
Snow unlikely
Light drizzle first, drizzle then light drizzle, heavy drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Max 19℃ 65°F
Min 15℃ 59°F
Valley temperatures from an overnight low of 15℃ 59°F to daytime highs around 19℃ 65°F
Temperature at BaseTemp at Base
Sun
21
Snow unlikely
Rain first, light rain then drizzle, light drizzle 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 piste 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 21:43 UTC, 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.