Karuizawa Weather
Two Week Weather Forecast for Karuizawa ( 940m to 1,155m 3,084ft to 3,789ft )
This is the Snow Forecast and Weather Outlook for Karuizawa, Japan for 16 days from 31 March.
Updated 31 March 2025 19:36 BST.
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 19:36 BST, next update expected 22:00 BST.
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Karuizawa has 5cm 2in new snow forecast in the next 48 hours.
Karuizawa Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Mon 31 |  | 3cm 1in New Snow | Max 3℃ 37°F Min -3℃ 26°F |
| Tue 01 |  | 2cm 1in New Snow | Max 4℃ 39°F Min -1℃ 30°F |
| Wed 02 |  | Rain showers. | Max 6℃ 43°F Min 1℃ 34°F |
| Thu 03 |  | Clear sky. | Max 6℃ 43°F Min 0℃ 32°F |
| Fri 04 |  | Cloudy at altitude, clear spells below. | Max 10℃ 49°F Min 2℃ 35°F |
| Sat 05 |  | Fog at altitude, cloudy below. | Max 9℃ 48°F Min 4℃ 38°F |
| Sun 06 | | Cloudy. | Max 15℃ 59°F Min 4℃ 38°F |
| Mon 07 | | Clear sky. | Max 12℃ 53°F Min 3℃ 37°F |
| Tue 08 | | Clear sky. | Max 16℃ 61°F Min 6℃ 42°F |
| Wed 09 | | Cloudy. | Max 19℃ 66°F Min 8℃ 47°F |
| Thu 10 | | Cloudy. | Max 16℃ 61°F Min 9℃ 47°F |
| Fri 11 | | Clear sky. | Max 19℃ 67°F Min 8℃ 46°F |
| Sat 12 | | Clear spells. | Max 21℃ 69°F Min 8℃ 46°F |
| Sun 13 | | Clear spells. | Max 21℃ 70°F Min 9℃ 48°F |
| Mon 14 | | Clear sky. | Max 17℃ 63°F Min 5℃ 40°F |
| Tue 15 | | Cloudy. | Max 13℃ 54°F Min 9℃ 47°F |
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 19:36 BST, next update expected 22:00 BST.
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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