Karuizawa 48-Hour Snow Forecast
Updated 02 May 2026 21:40 PDT
2-Day Forecast for Karuizawa
48-hours from 3 May.
See below for forecast detail
Karuizawa Snow Forecast updated at 21:40 PDT, next update expected 00:00 PDT.
Forecast for today in Karuizawa
Max 59°F
Min 50°F
Valley temperatures from an overnight low of 50°F to daytime highs around 59°F
Temperature at BaseTemp at Base
Sun
03
Snow unlikely
Clear spells first, rain showers then light rain showers, rain showers later.
Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.
Forecast for tomorrow in Karuizawa
Max 67°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 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. | 55°F | SE Light | -125% | |
| Sun | 10:00 | | Clear spells. | 56°F | SE Light | -125% | |
| Sun | 11:00 | | Fair. | 57°F | SE Light | -125% | |
| Sun | 12:00 | | Fair. | 58°F | SE Light | -125% | |
| Sun | 13:00 | | Clear spells. | 59°F | SE Light | -125% | |
| Sun | 14:00 | | Clear spells. | 58°F | SE Light | -125% | |
| Sun | 15:00 | | Clear spells. | 58°F | SE Light | -125% | |
| Sun | 16:00 | | Clear spells. | 58°F | SE Light | -125% | |
| Sun | 17:00 |  | Light drizzle. | 56°F | SE Light | -125% | |
| Sun | 18:00 |  | Rain. | 55°F | SE Light | -125% | |
| Sun | 19:00 |  | Heavy drizzle. | 54°F | SE Light | -125% | |
| Sun | 20:00 | | Light drizzle. | 53°F | SE Light | -125% | |
| Sun | 21:00 | | Light drizzle. | 53°F | SE Light | -125% | |
| Sun | 22:00 |  | Cloudy. | 52°F | SE Light | -125% | |
| Sun | 23:00 | | Light drizzle. | 51°F | SE Light | -125% | |
| Mon | 00:00 | | Clear spells. | 51°F | SW Light | -125% | |
| Mon | 01:00 | | Cloudy. | 51°F | SW Light | -125% | |
| Mon | 02:00 | | Light drizzle. | 52°F | SW Light | -125% | |
| Mon | 03:00 | | Drizzle. | 52°F | SW Light | -125% | |
| Mon | 04:00 | | Rain. | 54°F | SW Light | -125% | |
| Mon | 05:00 | | Light drizzle. | 57°F | SW Light | -125% | |
| Mon | 06:00 | | Light drizzle. | 59°F | SW Light | -125% | |
| Mon | 07:00 | | Light drizzle. | 60°F | SW Breeze | -125% | |
| Mon | 08:00 | | Clear sky. | 63°F | SW Breeze | -125% | |
| Mon | 09:00 | | Clear sky. | 65°F | SW Breeze | -125% | |
| Mon | 10:00 | | Clear sky. | 67°F | SW Breeze | -125% | |
| Mon | 11:00 | | Clear sky. | 67°F | SW Breeze | -125% | |
| Mon | 12:00 | | Fair. | 67°F | SW Breeze | -125% | |
| Mon | 13:00 | | Fair. | 66°F | SW Breeze | -125% | |
| Mon | 14:00 | | Fair. | 63°F | SW Breeze | -125% | |
| Mon | 15:00 | | Fair. | 62°F | SW Breeze | -125% | |
| Mon | 16:00 | | Clear sky. | 57°F | SW Breeze | -125% | |
| Mon | 17:00 | | Fair. | 54°F | SW Breeze | -125% | |
| Mon | 18:00 | | Cloudy. | 52°F | SW Breeze | -125% | |
| Mon | 19:00 | | Fair. | 48°F | SW Breeze | -125% | |
| Mon | 20:00 | | Clear sky. | 46°F | SW Breeze | -125% | |
| Mon | 21:00 | | Clear spells. | 43°F | SW Breeze | -125% | |
| Mon | 22:00 | | Fair. | 43°F | SW Breeze | -125% | |
| Mon | 23:00 | | Fair. | 42°F | SW Light | -125% | |
| Tue | 00:00 | | Clear sky. | 41°F | SW Light | -125% | |
| Tue | 01:00 | | Clear sky. | 40°F | SW Light | -125% | |
| Tue | 02:00 | | Clear sky. | 40°F | SW Light | -125% | |
| Tue | 03:00 | | Clear sky. | 40°F | SW Light | -125% | |
| Tue | 04:00 | | Clear sky. | 39°F | SW Light | -125% | |
| Tue | 05:00 | | Clear sky. | 39°F | SW Light | -125% | |
| Tue | 06:00 | | Clear sky. | 40°F | SW Light | -125% | |
| Tue | 07:00 | | Clear sky. | 44°F | SW Light | -125% | |
| Tue | 08:00 | | Clear sky. | 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 | - | - |
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 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.
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.