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 20 June.
Updated 20 June 2025 09:34 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 09:34 BST, next update expected imminently.
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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 20 |  | Cloudy. | Max 23℃ 74°F Min 18℃ 63°F |
| Sat 21 |  | Fair. | Max 24℃ 75°F Min 17℃ 62°F |
| Sun 22 |  | Clear sky. | Max 28℃ 81°F Min 20℃ 68°F |
| Mon 23 | | Cloudy. | Max 26℃ 79°F Min 20℃ 67°F |
| Tue 24 |  | Fog. | Max 24℃ 76°F Min 18℃ 65°F |
| Wed 25 |  | Light snow showers at altitude, thunderstorms below. | Max 26℃ 78°F Min 19℃ 66°F |
| Thu 26 | | Fog at altitude, cloudy below. | Max 24℃ 74°F Min 18℃ 65°F |
| Fri 27 | | Cloudy. | Max 28℃ 83°F Min 19℃ 65°F |
| Sat 28 | | Fog at altitude, cloudy below. | Max 24℃ 76°F Min 17℃ 63°F |
| Sun 29 | | Cloudy. | Max 24℃ 75°F Min 17℃ 63°F |
| Mon 30 | | Snow showers at altitude, rain showers below. | Max 25℃ 78°F Min 18℃ 64°F |
| Tue 01 |  | Light snow at altitude, rain showers below. | Max 25℃ 76°F Min 18℃ 65°F |
| Wed 02 | | Clear spells at altitude, cloudy below. | Max 24℃ 75°F Min 18℃ 64°F |
| Thu 03 | | Snow showers at altitude, rain showers below. | Max 27℃ 81°F Min 16℃ 60°F |
| Fri 04 | | Clear sky. | Max 30℃ 85°F Min 18℃ 65°F |
| Sat 05 |  | Light snow at altitude, drizzle below. | Max 27℃ 81°F Min 19℃ 67°F |
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 09:34 BST, next update expected imminently.
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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