Karuizawa 48-Hour Snow Forecast
48-hour Forecast for Karuizawa (3,084ft to 3,789ft)
This is the 48-hour (2-Day) Snow Forecast for Karuizawa, Japan for 2 days from 31 March.
Updated 30 March 2025 23:35 PDT.
Karuizawa has 2in new snow forecast in the next 48 hours.
See below for the detailed Weather and Snow outlook.
Karuizawa Snow Forecast updated at 23:35 PDT, next update expected 02:00 PDT.
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Forecast for today in Karuizawa
Max 37°F
Min 27°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 27°F and rising to 37°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
31
1in New Snow
Clear sky, clear spells, heavy snow showers later.
Snow falling to resort level.
Karuizawa has 2in new snow forecast in the next 48 hours.
Forecast for tomorrow in Karuizawa
Max 39°F
Min 30°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 30°F and rising to 39°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
01
New Snow
Heavy snow showers first, rain showers then drizzle, cloudy later.
Snow falling to resort level.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 00:00 |  | Clear sky. | 30°F | E Light | 0% | |
| Mon | 01:00 | | Clear sky. | 34°F | E Light | 0% | |
| Mon | 02:00 | | Clear sky. | 37°F | E Light | 0% | |
| Mon | 03:00 | | Clear sky. | 37°F | E Light | 0% | |
| Mon | 04:00 | | Fair. | 37°F | E Light | 15% | |
| Mon | 05:00 | | Clear spells. | 37°F | E Light | 70% | |
| Mon | 06:00 | | Clear spells. | 36°F | E Light | 95% | |
| Mon | 07:00 | | Clear spells. | 35°F | E Light | 100% | |
| Mon | 08:00 | | Clear spells. | 34°F | E Light | 95% | |
| Mon | 09:00 | | Clear spells. | 31°F | E Light | 95% | |
| Mon | 10:00 | | Clear spells. | 29°F | E Light | 95% | |
| Mon | 11:00 | | Heavy snow showers. | 27°F | E Light | 95% | |
| Mon | 12:00 | | Heavy snow showers. | 27°F | E Light | 80% | |
| Mon | 13:00 | | Heavy snow showers. | 27°F | E Light | 75% | |
| Mon | 14:00 | | Heavy snow showers. | 28°F | E Light | 55% | |
| Mon | 15:00 | | Heavy snow showers. | 27°F | E Light | 50% | |
| Mon | 16:00 | | Heavy snow showers. | 28°F | E Light | 55% | |
| Mon | 17:00 | | Heavy snow showers. | 28°F | E Light | 50% | |
| Mon | 18:00 |  | Light snow. | 28°F | E Light | 35% | |
| Mon | 19:00 | | Heavy snow showers. | 28°F | E Light | 40% | |
| Mon | 20:00 | | Heavy snow showers. | 28°F | E Light | 60% | |
| Mon | 21:00 | | Heavy snow showers. | 28°F | E Light | 60% | |
| Mon | 22:00 | | Heavy snow showers. | 28°F | E Light | 65% | |
| Mon | 23:00 | | Heavy snow showers. | 29°F | E Light | 75% | |
| Tue | 00:00 | | Heavy snow showers. | 30°F | NE Light | 70% | |
| Tue | 01:00 | | Heavy snow showers. | 31°F | NE Light | 60% | |
| Tue | 02:00 | | New Snow | Heavy snow showers. | 32°F | NE Light | 60% |
| Tue | 03:00 |  | Heavy drizzle. | 32°F | NE Light | 50% | |
| Tue | 04:00 | | Drizzle. | 33°F | NE Light | 45% | |
| Tue | 05:00 | | Drizzle. | 33°F | NE Light | 40% | |
| Tue | 06:00 | | Drizzle. | 33°F | NE Light | 35% | |
| Tue | 07:00 | | Drizzle. | 33°F | NE Light | 25% | |
| Tue | 08:00 | | Drizzle. | 33°F | NE Light | 25% | |
| Tue | 09:00 | | Light drizzle. | 33°F | NE Light | 25% | |
| Tue | 10:00 | | Light drizzle. | 33°F | NE Light | 25% | |
| Tue | 11:00 | | Light drizzle. | 33°F | NE Light | 35% | |
| Tue | 12:00 | | Drizzle. | 33°F | NE Light | 35% | |
| Tue | 13:00 | | Heavy drizzle. | 34°F | NE Light | 35% | |
| Tue | 14:00 | | Heavy drizzle. | 34°F | NE Light | 30% | |
| Tue | 15:00 | | Drizzle. | 35°F | NE Light | 25% | |
| Tue | 16:00 | | Drizzle. | 35°F | NE Light | 35% | |
| Tue | 17:00 | | Light drizzle. | 36°F | NE Light | 40% | |
| Tue | 18:00 |  | Cloudy. | 36°F | NE Light | 40% | |
| Tue | 19:00 | | Cloudy. | 35°F | NE Light | 45% | |
| Tue | 20:00 | | Cloudy. | 36°F | NE Light | 50% | |
| Tue | 21:00 | | Cloudy. | 36°F | NE Light | 55% | |
| Tue | 22:00 | | Cloudy. | 38°F | NE Light | 60% | |
| Tue | 23:00 | | Cloudy. | 39°F | NE Light | 60% | |
Snow Forecast near Karuizawa
| Snow Report and Forecast | 48 Hr | Mon | Tue | Wed | Thu | Fri | Sat | Sun | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Kusatsu Onsen | 10in | 11in |
Karuizawa Snow
For current snow depths and skiing conditions, see our Current Snow Report for Karuizawa.
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.