Karuizawa 48-Hour Snow Forecast
Updated 03 May 2026 05:40 BST
2-Day Forecast for Karuizawa
48-hours from 3 May.
See below for forecast detail
Karuizawa Snow Forecast updated at 05:40 BST, next update expected imminently.
Forecast for today in Karuizawa
Max 15℃ 59°F
Min 11℃ 51°F
Valley temperatures from an overnight low of 11℃ 51°F to daytime highs around 15℃ 59°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Clear spells, rain showers, light drizzle later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Karuizawa
Max 19℃ 67°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 19℃ 67°F
Temperature at BaseTemp at Base
Mon
04
Snow unlikely
Clear sky, fair, clear sky later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sun | 09:00 | | Clear spells. | 13℃ 55°F | SE Light | -125% | |
| Sun | 10:00 | | Clear spells. | 13℃ 56°F | SE Light | -125% | |
| Sun | 11:00 | | Fair. | 14℃ 57°F | SE Light | -125% | |
| Sun | 12:00 | | Fair. | 15℃ 58°F | SE Light | -125% | |
| Sun | 13:00 | | Clear spells. | 15℃ 59°F | SE Light | -125% | |
| Sun | 14:00 | | Clear spells. | 15℃ 58°F | SE Light | -125% | |
| Sun | 15:00 | | Clear spells. | 15℃ 58°F | SE Light | -125% | |
| Sun | 16:00 | | Clear spells. | 15℃ 58°F | SE Light | -125% | |
| Sun | 17:00 |  | Light drizzle. | 14℃ 56°F | SE Light | -125% | |
| Sun | 18:00 |  | Rain. | 13℃ 55°F | SE Light | -125% | |
| Sun | 19:00 |  | Heavy drizzle. | 12℃ 54°F | SE Light | -125% | |
| Sun | 20:00 | | Light drizzle. | 12℃ 53°F | SE Light | -125% | |
| Sun | 21:00 | | Light drizzle. | 12℃ 53°F | SE Light | -125% | |
| Sun | 22:00 |  | Cloudy. | 11℃ 52°F | SE Light | -125% | |
| Sun | 23:00 | | Light drizzle. | 11℃ 51°F | SE Light | -125% | |
| Mon | 00:00 | | Clear spells. | 11℃ 51°F | SW Light | -125% | |
| Mon | 01:00 | | Cloudy. | 11℃ 51°F | SW Light | -125% | |
| Mon | 02:00 | | Light drizzle. | 11℃ 52°F | SW Light | -125% | |
| Mon | 03:00 | | Drizzle. | 11℃ 52°F | SW Light | -125% | |
| Mon | 04:00 | | Rain. | 12℃ 54°F | SW Light | -125% | |
| Mon | 05:00 | | Light drizzle. | 14℃ 57°F | SW Light | -125% | |
| Mon | 06:00 | | Light drizzle. | 15℃ 59°F | SW Light | -125% | |
| Mon | 07:00 | | Light drizzle. | 16℃ 60°F | SW Breeze | -125% | |
| Mon | 08:00 | | Clear sky. | 17℃ 63°F | SW Breeze | -125% | |
| Mon | 09:00 | | Clear sky. | 18℃ 65°F | SW Breeze | -125% | |
| Mon | 10:00 | | Clear sky. | 19℃ 67°F | SW Breeze | -125% | |
| Mon | 11:00 | | Clear sky. | 19℃ 67°F | SW Breeze | -125% | |
| Mon | 12:00 | | Fair. | 19℃ 67°F | SW Breeze | -125% | |
| Mon | 13:00 | | Fair. | 19℃ 66°F | SW Breeze | -125% | |
| Mon | 14:00 | | Fair. | 17℃ 63°F | SW Breeze | -125% | |
| Mon | 15:00 | | Fair. | 16℃ 62°F | SW Breeze | -125% | |
| Mon | 16:00 | | Clear sky. | 14℃ 57°F | SW Breeze | -125% | |
| Mon | 17:00 | | Fair. | 12℃ 54°F | SW Breeze | -125% | |
| Mon | 18:00 | | Cloudy. | 11℃ 52°F | SW Breeze | -125% | |
| Mon | 19:00 | | Fair. | 9℃ 48°F | SW Breeze | -125% | |
| Mon | 20:00 | | Clear sky. | 8℃ 46°F | SW Breeze | -125% | |
| Mon | 21:00 | | Clear spells. | 6℃ 43°F | SW Breeze | -125% | |
| Mon | 22:00 | | Fair. | 6℃ 43°F | SW Breeze | -125% | |
| Mon | 23:00 | | Fair. | 6℃ 42°F | SW Light | -125% | |
| Tue | 00:00 | | Clear sky. | 5℃ 41°F | SW Light | -125% | |
| Tue | 01:00 | | Clear sky. | 5℃ 40°F | SW Light | -125% | |
| Tue | 02:00 | | Clear sky. | 5℃ 40°F | SW Light | -125% | |
| Tue | 03:00 | | Clear sky. | 4℃ 40°F | SW Light | -125% | |
| Tue | 04:00 | | Clear sky. | 4℃ 39°F | SW Light | -125% | |
| Tue | 05:00 | | Clear sky. | 4℃ 39°F | SW Light | -125% | |
| Tue | 06:00 | | Clear sky. | 5℃ 40°F | SW Light | -125% | |
| Tue | 07:00 | | Clear sky. | 7℃ 44°F | SW Light | -125% | |
| Tue | 08:00 | | Clear sky. | 9℃ 48°F | SW Light | -125% | |
Snow Forecast near Karuizawa
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Kusatsu Onsen | 1cm - | 1cm - |
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.