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Arai Snow Forecast - 48 hour - 21st September 2026

Arai 48-Hour Snow Forecast

ECMWF IFS
GFS
JMA

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Updated 21 September 2026 02:40 PDT

2-Day Forecast for Arai

48-hours from 21 September.

See below for forecast detail

Arai Snow Forecast updated at 02:40 PDT, next update expected 08:00 PDT.

Forecast for today in Arai

Max 76°F
Min 71°F

Valley temperatures from an overnight low of 71°F to daytime highs around 76°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ShwrsHvy RainCloudFair

Rain showers first, heavy rain then cloudy, fair later.

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

Forecast for tomorrow in Arai

Max 80°F
Min 72°F

Valley temperatures from an overnight low of 72°F to daytime highs around 80°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

FairMixedLt RainFair

Fair first, clear spells then light rain showers, fair later.

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

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Arai from OpenMeteo(JMA)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Mon09:00Lt Rain

Light rain.71°FSE
Light
-125%
Mon10:00Rain

Rain.71°FSE
Breeze
-125%
Mon11:00Rain

Rain.72°FSE
Breeze
-125%
Mon12:00Hvy Rain

Heavy rain.73°FSE
Breeze
-125%
Mon13:00Hvy Rain

Heavy rain.74°FSE
Breeze
-125%
Mon14:00Hvy Rain

Heavy rain.74°FSE
Breeze
-125%
Mon15:00Hvy Rain

Heavy rain.74°FSE
Breeze
-125%
Mon16:00Hvy Rain

Heavy rain.73°FSE
Light
-125%
Mon17:00Hvy Rain

Heavy rain.73°FSE
Light
-125%
Mon18:00Hvy Rain

Heavy rain.73°FSE
Breeze
-125%
Mon19:00Drizzle

Drizzle.73°FSE
Light
-125%
Mon20:00Cloud

Cloudy.75°FSE
Light
-125%
Mon21:00Cloud

Cloudy.74°FSE
Light
-125%
Mon22:00Fair

Fair.75°FSE
Light
-125%
Mon23:00Mixed

Clear spells.76°FSE
Light
-125%
Tue00:00Cloud

Cloudy.76°FSE
Light
-125%
Tue01:00Cloud

Cloudy.76°FSE
Light
-125%
Tue02:00Cloud

Cloudy.76°FSE
Light
-125%
Tue03:00Mixed

Clear spells.76°FSE
Light
-125%
Tue04:00Fair

Fair.75°FSE
Light
-125%
Tue05:00Clear

Clear sky.76°FSE
Light
-125%
Tue06:00Fair

Fair.76°FSE
Calm
-125%
Tue07:00Fair

Fair.77°FSE
Light
-125%
Tue08:00Fair

Fair.79°FSE
Light
-125%
Tue09:00Mixed

Clear spells.80°FSE
Light
-125%
Tue10:00Mixed

Clear spells.80°FSE
Light
-125%
Tue11:00Fair

Fair.80°FSE
Light
-125%
Tue12:00Fair

Fair.80°FSE
Light
-125%
Tue13:00Fair

Fair.80°FSE
Light
-125%
Tue14:00Fair

Fair.79°FSE
Light
-125%
Tue15:00Mixed

Clear spells.79°FSE
Light
-125%
Tue16:00Mixed

Clear spells.78°FSE
Light
-125%
Tue17:00Mixed

Clear spells.77°FSE
Light
-125%
Tue18:00Fair

Fair.75°FSE
Light
-125%
Tue19:00Fair

Fair.75°FSE
Light
-125%
Tue20:00Fair

Fair.73°FSE
Light
-125%
Tue21:00Fair

Fair.72°FSE
Light
-125%
Tue22:00Fair

Fair.72°FSE
Light
-125%
Tue23:00Lt Drizzle

Light drizzle.72°FSE
Light
-125%
Wed00:00Mixed

Clear spells.71°FNE
Light
-125%
Wed01:00Mixed

Clear spells.70°FNE
Light
-125%
Wed02:00Cloud

Cloudy.69°FNE
Light
-125%
Wed03:00Fair

Fair.70°FNE
Light
-125%
Wed04:00Mixed

Clear spells.70°FNE
Light
-125%
Wed05:00Cloud

Cloudy.69°FNE
Light
-125%
Wed06:00Fair

Fair.69°FNE
Light
-125%
Wed07:00Fair

Fair.69°FNE
Light
-125%
Wed08:00Fair

Fair.70°FNE
Light
-125%

Snow Forecast near Arai

Snow forecasts for nearby ski areas.

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

Arai Snow

For current snow depths and skiing conditions, see our Current Snow Report for Arai.

No significant snowfall is forecast for this period.

This Snow Forecast for Arai, 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 Arai, 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

Arai typically sees consistent snowfall throughout the winter, with average snow depths reaching up to 3 meters. For the latest snow conditions, be sure to check J2Ski for real-time information.