Karuizawa 48-Hour Snow Forecast
Updated 23 July 2026 04:40 BST
2-Day Forecast for Karuizawa
48-hours from 23 July.
See below for forecast detail
Karuizawa Snow Forecast updated at 04:40 BST, next update expected imminently.
Forecast for today in Karuizawa
Max 33℃ 91°F
Min 22℃ 72°F
Valley temperatures from an overnight low of 22℃ 72°F to daytime highs around 33℃ 91°F
Temperature at BaseTemp at Base
Thu
23
Snow unlikely
Clear sky first, fair then light drizzle, cloudy later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Karuizawa
Max 26℃ 79°F
Min 21℃ 70°F
Valley temperatures from an overnight low of 21℃ 70°F to daytime highs around 26℃ 79°F
Temperature at BaseTemp at Base
Fri
24
Snow unlikely
Light drizzle, cloudy, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Thu | 09:00 |  | Clear sky. | 28℃ 82°F | SE Light | -125% | |
| Thu | 10:00 | | Clear sky. | 29℃ 84°F | SE Light | -125% | |
| Thu | 11:00 | | Clear sky. | 30℃ 87°F | SE Light | -125% | |
| Thu | 12:00 | | Clear sky. | 31℃ 88°F | SE Light | -125% | |
| Thu | 13:00 | | Clear sky. | 32℃ 90°F | SE Light | -125% | |
| Thu | 14:00 | | Clear sky. | 33℃ 91°F | SE Light | -125% | |
| Thu | 15:00 | | Clear sky. | 33℃ 90°F | SE Calm | -125% | |
| Thu | 16:00 | | Fair. | 31℃ 87°F | SE Light | -125% | |
| Thu | 17:00 | | Fair. | 29℃ 83°F | SE Light | -125% | |
| Thu | 18:00 | | Light drizzle. | 26℃ 79°F | SE Light | -125% | |
| Thu | 19:00 | | Light drizzle. | 24℃ 76°F | SE Light | -125% | |
| Thu | 20:00 | | Light drizzle. | 23℃ 73°F | SE Light | -125% | |
| Thu | 21:00 | | Drizzle. | 23℃ 72°F | SE Light | -125% | |
| Thu | 22:00 | | Light drizzle. | 22℃ 72°F | SE Light | -125% | |
| Thu | 23:00 | | Light drizzle. | 22℃ 72°F | SE Light | -125% | |
| Fri | 00:00 | | Light drizzle. | 22℃ 72°F | SE Light | -125% | |
| Fri | 01:00 | | Cloudy. | 22℃ 72°F | SE Light | -125% | |
| Fri | 02:00 | | Cloudy. | 22℃ 71°F | SE Light | -125% | |
| Fri | 03:00 | | Cloudy. | 22℃ 71°F | SE Light | -125% | |
| Fri | 04:00 | | Cloudy. | 22℃ 71°F | SE Light | -125% | |
| Fri | 05:00 | | Cloudy. | 21℃ 71°F | SE Calm | -125% | |
| Fri | 06:00 | | Cloudy. | 21℃ 70°F | SE Calm | -125% | |
| Fri | 07:00 | | Cloudy. | 21℃ 71°F | SE Light | -125% | |
| Fri | 08:00 | | Fair. | 22℃ 72°F | SE Light | -125% | |
| Fri | 09:00 | | Fair. | 24℃ 74°F | SE Light | -125% | |
| Fri | 10:00 | | Fair. | 25℃ 77°F | SE Light | -125% | |
| Fri | 11:00 | | Light drizzle. | 25℃ 77°F | SE Light | -125% | |
| Fri | 12:00 | | Light drizzle. | 25℃ 77°F | SE Light | -125% | |
| Fri | 13:00 | | Light drizzle. | 26℃ 79°F | SE Light | -125% | |
| Fri | 14:00 | | Light drizzle. | 26℃ 79°F | SE Light | -125% | |
| Fri | 15:00 | | Light drizzle. | 26℃ 78°F | SE Light | -125% | |
| Fri | 16:00 | | Light drizzle. | 25℃ 77°F | SE Light | -125% | |
| Fri | 17:00 | | Light drizzle. | 24℃ 76°F | SE Light | -125% | |
| Fri | 18:00 | | Light drizzle. | 24℃ 75°F | SE Light | -125% | |
| Fri | 19:00 | | Fair. | 23℃ 74°F | SE Light | -125% | |
| Fri | 20:00 | | Light drizzle. | 23℃ 73°F | SE Light | -125% | |
| Fri | 21:00 | | Clear spells. | 23℃ 72°F | SE Calm | -125% | |
| Fri | 22:00 | | Cloudy. | 22℃ 71°F | SE Light | -125% | |
| Fri | 23:00 | | Cloudy. | 21℃ 71°F | SE Light | -125% | |
| Sat | 00:00 | | Fair. | 21℃ 70°F | SE Light | -125% | |
| Sat | 01:00 | | Cloudy. | 21℃ 69°F | SE Calm | -125% | |
| Sat | 02:00 | | Cloudy. | 21℃ 69°F | SE Calm | -125% | |
| Sat | 03:00 | | Cloudy. | 21℃ 69°F | SE Calm | -125% | |
| Sat | 04:00 | | Fair. | 20℃ 68°F | SE Calm | -125% | |
| Sat | 05:00 | | Fair. | 20℃ 67°F | SE Light | -125% | |
| Sat | 06:00 | | Clear sky. | 21℃ 69°F | SE Light | -125% | |
| Sat | 07:00 | | Clear sky. | 22℃ 72°F | SE Calm | -125% | |
| Sat | 08:00 | | Fair. | 23℃ 73°F | SE Light | -125% | |
Snow Forecast near Karuizawa
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Karuizawa are not available.
Karuizawa Snow
For current snow depths and skiing conditions, see our Current Snow Report for Karuizawa.
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.
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.