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Naeba 7-Day Snow Forecast - 21st September 2026

Naeba Snow Forecast - 7 day

ECMWF IFS
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JMA

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Updated 20 September 2026 14:51 PDT

7-Day Snow Forecast for Naeba

1-week from 21 September.

For Forecast detail, see below.

Naeba 7-Day Snow Forecast Highlights

When will there be fresh snow in Naeba?

Naeba Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (4,411ft)
Next Snow?
There is no snow currently in the forecast for Naeba.

7-Day Snow Outlook for Naeba

 
Snowfall

 
Snow Line

Max 71°F
Min 49°F

Snow unlikely

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Naeba Medium-Range (7-Day) Snow Forecast Detail

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

Max 71°F
Min 65°F

Valley temperatures from an overnight low of 65°F to daytime highs around 71°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ShwrsShwrsLt DrizzleShwrs

Rain showers, light drizzle, rain showers later.

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

Max 67°F
Min 58°F

Valley temperatures from an overnight low of 58°F to daytime highs around 67°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

MixedClearClearMixed

Clear spells, clear sky, clear spells later.

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

Max 69°F
Min 57°F

Valley temperatures from an overnight low of 57°F to daytime highs around 69°F

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

FairFairMixedDrizzle

Fair, clear spells, drizzle later.

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

Max 63°F
Min 50°F

Valley temperatures from an overnight low of 50°F to daytime highs around 63°F

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

Lt DrizzleShwrsFairMixed

Light drizzle first, rain showers then fair, clear spells later.

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

Max 68°F
Min 49°F

Valley temperatures from an overnight low of 49°F to daytime highs around 68°F

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

MixedMixedDrizzleDrizzle

Clear spells early, then drizzle later.

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

Max 68°F
Min 55°F

Valley temperatures from an overnight low of 55°F to daytime highs around 68°F

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleLt Drizzle

Light drizzle.

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

Max 66°F
Min 58°F

Valley temperatures from an overnight low of 58°F to daytime highs around 66°F

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

Lt DrizzleLt DrizzleDrizzleLt Drizzle

Light drizzle, drizzle, light drizzle later.

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

No significant snowfall is forecast for this period.

This Snow Forecast for Naeba, 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 Naeba, 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.

Naeba Snow Forecast updated at 14:51 PDT, next update expected imminently.

Snow Reliability

Naeba enjoys reliable snow conditions, with average snow depths reaching up to 3 meters during peak season. For the latest snow reports and conditions, check J2Ski for updated information.