Karuizawa Weather
Two Week Weather Forecast for Karuizawa (940m to 1,155m)
This is the Snow Forecast and Weather Outlook for Karuizawa, Japan for 16 days from 4 July.
Updated 04 July 2025 20:37 NZST.
See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.
Karuizawa Weather Forecast updated at 20:37 NZST, next update expected 23:00 NZST.
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Karuizawa has no new snow forecast in the next 48 hours.
Karuizawa Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Fri 04 |  | Rain showers. | Max 25℃ Min 19℃ |
| Sat 05 |  | Fair. | Max 25℃ Min 19℃ |
| Sun 06 | | Light rain showers. | Max 27℃ Min 21℃ |
| Mon 07 |  | Light snow showers at altitude, light rain showers below. | Max 28℃ Min 21℃ |
| Tue 08 | | Light rain showers. | Max 27℃ Min 21℃ |
| Wed 09 | | Clear spells at altitude, fog below. | Max 26℃ Min 20℃ |
| Thu 10 | | Cloudy at altitude, clear spells below. | Max 27℃ Min 20℃ |
| Fri 11 |  | Cloudy. | Max 30℃ Min 20℃ |
| Sat 12 |  | Cloudy at altitude, light drizzle below. | Max 27℃ Min 19℃ |
| Sun 13 | | Cloudy. | Max 25℃ Min 18℃ |
| Mon 14 | | Clear spells at altitude, rain showers below. | Max 24℃ Min 19℃ |
| Tue 15 | | Fair at altitude, cloudy below. | Max 31℃ Min 21℃ |
| Wed 16 | | Light drizzle. | Max 26℃ Min 21℃ |
| Thu 17 | | Fog at altitude, cloudy below. | Max 23℃ Min 21℃ |
| Fri 18 | | Cloudy. | Max 29℃ Min 20℃ |
| Sat 19 | | Cloudy. | Max 29℃ Min 20℃ |
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.
Karuizawa Weather Forecast updated at 20:37 NZST, next update expected 23:00 NZST.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Karuizawa.For more information about this Japanese Ski Resort, See Also Skiing and Snowboarding in Karuizawa .
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