Karuizawa 48-Hour Snow Forecast
Updated 13 September 2026 22:49 BST
2-Day Forecast for Karuizawa
48-hours from 14 September.
See below for forecast detail
Karuizawa Snow Forecast updated at 22:49 BST, next update expected imminently.
Forecast for today in Karuizawa
Max 27℃ 81°F
Min 18℃ 65°F
Valley temperatures from an overnight low of 18℃ 65°F to daytime highs around 27℃ 81°F
Temperature at BaseTemp at Base
Mon
14
Snow unlikely
Clear sky first, fair then rain showers, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Karuizawa
Max 19℃ 67°F
Min 18℃ 64°F
Valley temperatures from an overnight low of 18℃ 64°F to daytime highs around 19℃ 67°F
Temperature at BaseTemp at Base
Tue
15
Snow unlikely
Light rain, rain, clear spells later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Partner Offers
Partner Offers
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 00:00 | | Clear spells. | 19℃ 66°F | SW Light | -125% | |
| Mon | 01:00 |  | Clear sky. | 19℃ 65°F | SW Light | -125% | |
| Mon | 02:00 | | Clear sky. | 18℃ 65°F | SW Light | -125% | |
| Mon | 03:00 | | Clear sky. | 19℃ 66°F | SW Light | -125% | |
| Mon | 04:00 | | Clear sky. | 20℃ 67°F | SW Light | -125% | |
| Mon | 05:00 | | Clear sky. | 19℃ 67°F | SW Light | -125% | |
| Mon | 06:00 | | Clear sky. | 19℃ 66°F | SW Light | -125% | |
| Mon | 07:00 | | Clear sky. | 20℃ 68°F | SW Light | -125% | |
| Mon | 08:00 | | Clear sky. | 22℃ 72°F | SW Light | -125% | |
| Mon | 09:00 | | Clear sky. | 24℃ 75°F | SW Light | -125% | |
| Mon | 10:00 | | Clear sky. | 25℃ 77°F | SW Light | -125% | |
| Mon | 11:00 | | Clear sky. | 26℃ 79°F | SW Light | -125% | |
| Mon | 12:00 | | Clear sky. | 27℃ 81°F | SW Light | -125% | |
| Mon | 13:00 | | Fair. | 27℃ 81°F | SW Light | -125% | |
| Mon | 14:00 | | Fair. | 27℃ 80°F | SW Light | -125% | |
| Mon | 15:00 | | Fair. | 25℃ 78°F | SW Light | -125% | |
| Mon | 16:00 |  | Light drizzle. | 24℃ 75°F | SW Light | -125% | |
| Mon | 17:00 | | Fair. | 23℃ 73°F | SW Light | -125% | |
| Mon | 18:00 | | Drizzle. | 22℃ 71°F | SW Light | -125% | |
| Mon | 19:00 | | Rain. | 21℃ 69°F | SW Light | -125% | |
| Mon | 20:00 | | Rain. | 21℃ 69°F | SW Light | -125% | |
| Mon | 21:00 | | Light drizzle. | 20℃ 69°F | SW Light | -125% | |
| Mon | 22:00 | | Clear spells. | 20℃ 67°F | SW Light | -125% | |
| Mon | 23:00 | | Clear spells. | 19℃ 66°F | SW Light | -125% | |
| Tue | 00:00 |  | Cloudy. | 19℃ 66°F | SE Light | -125% | |
| Tue | 01:00 | | Light drizzle. | 19℃ 66°F | SE Light | -125% | |
| Tue | 02:00 | | Fair. | 19℃ 66°F | SE Light | -125% | |
| Tue | 03:00 | | Light drizzle. | 19℃ 66°F | SE Light | -125% | |
| Tue | 04:00 | | Light drizzle. | 19℃ 65°F | SE Light | -125% | |
| Tue | 05:00 | | Light drizzle. | 18℃ 65°F | SE Light | -125% | |
| Tue | 06:00 | | Clear spells. | 18℃ 65°F | SE Light | -125% | |
| Tue | 07:00 | | Clear spells. | 19℃ 66°F | SE Light | -125% | |
| Tue | 08:00 | | Clear spells. | 19℃ 66°F | SE Calm | -125% | |
| Tue | 09:00 | | Light drizzle. | 19℃ 66°F | SE Calm | -125% | |
| Tue | 10:00 | | Drizzle. | 19℃ 67°F | SE Calm | -125% | |
| Tue | 11:00 |  | Heavy drizzle. | 19℃ 67°F | SE Light | -125% | |
| Tue | 12:00 | | Light rain. | 19℃ 66°F | SE Light | -125% | |
| Tue | 13:00 | | Light rain. | 19℃ 66°F | SE Light | -125% | |
| Tue | 14:00 | | Rain. | 19℃ 67°F | SE Light | -125% | |
| Tue | 15:00 | | Rain. | 19℃ 66°F | SE Light | -125% | |
| Tue | 16:00 | | Light rain. | 19℃ 66°F | SE Light | -125% | |
| Tue | 17:00 | | Light rain. | 19℃ 66°F | SE Light | -125% | |
| Tue | 18:00 | | Light rain. | 19℃ 65°F | SE Light | -125% | |
| Tue | 19:00 | | Light rain. | 18℃ 65°F | SE Calm | -125% | |
| Tue | 20:00 | | Rain. | 18℃ 65°F | SE Calm | -125% | |
| Tue | 21:00 | | Rain. | 18℃ 65°F | SE Calm | -125% | |
| Tue | 22:00 | | Rain. | 18℃ 65°F | SE Light | -125% | |
| Tue | 23:00 | | Rain. | 18℃ 64°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.