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Karuizawa Snow Forecast - 48 hour - 12th June 2026

Karuizawa 48-Hour Snow Forecast

ECMWF IFS
GFS
JMA

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Updated 12 June 2026 02:41 PDT

2-Day Forecast for Karuizawa

48-hours from 12 June.

See below for forecast detail

Karuizawa Snow Forecast updated at 02:41 PDT, next update expected imminently.

Forecast for today in Karuizawa

Max 64°F
Min 55°F

Valley temperatures from an overnight low of 55°F to daytime highs around 64°F

Temperature at BaseTemp at Base

Fri
12

Snow unlikely

ShwrsShwrsFairClear

Rain showers, fair, clear sky later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Forecast for tomorrow in Karuizawa

Max 72°F
Min 54°F

Valley temperatures from an overnight low of 54°F to daytime highs around 72°F

Temperature at BaseTemp at Base

Sat
13

Snow unlikely

ClearFairLt DrizzleFair

Clear sky first, fair then light drizzle, fair later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Karuizawa from OpenMeteo(JMA)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Fri09:00Fair

Fair.60°FSE
Light
-125%
Fri10:00Lt Drizzle

Light drizzle.61°FSE
Light
-125%
Fri11:00Drizzle

Drizzle.62°FSE
Light
-125%
Fri12:00Lt Drizzle

Light drizzle.62°FSE
Light
-125%
Fri13:00Drizzle

Drizzle.63°FSE
Light
-125%
Fri14:00Lt Drizzle

Light drizzle.64°FSE
Light
-125%
Fri15:00Lt Drizzle

Light drizzle.63°FSE
Light
-125%
Fri16:00Drizzle

Drizzle.61°FSE
Light
-125%
Fri17:00Hvy Drizzle

Heavy drizzle.60°FSE
Light
-125%
Fri18:00Lt Drizzle

Light drizzle.60°FSE
Light
-125%
Fri19:00Hvy Drizzle

Heavy drizzle.58°FSE
Light
-125%
Fri20:00Rain

Rain.58°FSE
Light
-125%
Fri21:00Hvy Drizzle

Heavy drizzle.57°FSE
Light
-125%
Fri22:00Fair

Fair.56°FSE
Light
-125%
Fri23:00Fair

Fair.55°FSE
Light
-125%
Sat00:00Fair

Fair.55°FS
Light
-125%
Sat01:00Fair

Fair.54°FS
Light
-125%
Sat02:00Fair

Fair.54°FS
Light
-125%
Sat03:00Fair

Fair.54°FS
Light
-125%
Sat04:00Fair

Fair.54°FS
Light
-125%
Sat05:00Clear

Clear sky.54°FS
Light
-125%
Sat06:00Clear

Clear sky.56°FS
Light
-125%
Sat07:00Clear

Clear sky.59°FS
Light
-125%
Sat08:00Clear

Clear sky.61°FS
Calm
-125%
Sat09:00Clear

Clear sky.65°FS
Light
-125%
Sat10:00Clear

Clear sky.67°FS
Light
-125%
Sat11:00Clear

Clear sky.70°FS
Light
-125%
Sat12:00Clear

Clear sky.71°FS
Light
-125%
Sat13:00Clear

Clear sky.72°FS
Light
-125%
Sat14:00Fair

Fair.72°FS
Light
-125%
Sat15:00Mixed

Clear spells.71°FS
Light
-125%
Sat16:00Cloud

Cloudy.69°FS
Light
-125%
Sat17:00Fair

Fair.67°FS
Light
-125%
Sat18:00Fair

Fair.65°FS
Light
-125%
Sat19:00Fair

Fair.63°FS
Light
-125%
Sat20:00Fair

Fair.63°FS
Light
-125%
Sat21:00Lt Drizzle

Light drizzle.61°FS
Light
-125%
Sat22:00Lt Drizzle

Light drizzle.60°FS
Light
-125%
Sat23:00Drizzle

Drizzle.58°FS
Light
-125%
Sun00:00Drizzle

Drizzle.58°FSE
Light
-125%
Sun01:00Lt Drizzle

Light drizzle.58°FSE
Light
-125%
Sun02:00Lt Drizzle

Light drizzle.58°FSE
Light
-125%
Sun03:00Fair

Fair.58°FSE
Light
-125%
Sun04:00Fair

Fair.58°FSE
Light
-125%
Sun05:00Fair

Fair.58°FSE
Light
-125%
Sun06:00Fair

Fair.60°FSE
Calm
-125%
Sun07:00Fair

Fair.62°FSE
Light
-125%
Sun08:00Fair

Fair.64°FSE
Light
-125%

Snow Forecast near Karuizawa

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Karuizawa are not available.

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.