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Happo One Snow Forecast - 48 hour - 15th August 2026

Happo One 48-Hour Snow Forecast

ECMWF IFS
GFS
JMA

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Updated 14 August 2026 23:43 BST

2-Day Forecast for Happo One

48-hours from 15 August.

See below for forecast detail

Happo One Snow Forecast updated at 23:43 BST, next update expected imminently.

Forecast for today in Happo One

Max 25℃ 77°F
Min 20℃ 68°F

Valley temperatures from an overnight low of 20℃ 68°F to daytime highs around 25℃ 77°F

Temperature at BaseTemp at Base

Sat
15

Snow unlikely

Lt DrizzleFairMixedMixed

Light drizzle, fair, clear spells later.

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

Forecast for tomorrow in Happo One

Max 24℃ 74°F
Min 19℃ 66°F

Valley temperatures from an overnight low of 19℃ 66°F to daytime highs around 24℃ 74°F

Temperature at BaseTemp at Base

Sun
16

Snow unlikely

MixedFairMixedFair

Clear spells first, fair then clear spells, fair later.

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

48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Happo One from OpenMeteo(JMA)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sat00:00Fair

Fair. 21℃ 70°F SE
Light
-125%
Sat01:00Lt Drizzle

Fair at altitude.
Lt drizzle below.
21℃ 69°F SE
Light
-125%
Sat02:00Lt Drizzle

Fair at altitude.
Lt drizzle below.
20℃ 69°F SE
Light
-125%
Sat03:00Lt Drizzle

Fair at altitude.
Lt drizzle below.
20℃ 69°F SE
Calm
-125%
Sat04:00Fair

Fair. 20℃ 68°F SE
Calm
-125%
Sat05:00Fair

Fair. 20℃ 68°F SE
Light
-125%
Sat06:00Fair

Fair. 20℃ 69°F SE
Light
-125%
Sat07:00Fair

Fair. 21℃ 70°F SE
Light
-125%
Sat08:00Fair

Light snow at altitude.
Lt rain below.
22℃ 71°F SE
Light
-125%
Sat09:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
23℃ 73°F SE
Light
-125%
Sat10:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
24℃ 74°F SE
Light
-125%
Sat11:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
24℃ 75°F SE
Light
-125%
Sat12:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
25℃ 76°F SE
Light
-125%
Sat13:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
25℃ 77°F SE
Light
-125%
Sat14:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
25℃ 77°F SE
Light
-125%
Sat15:00Fair

Heavy snow showers at altitude.
Hvy shwrs below.
25℃ 77°F SE
Light
-125%
Sat16:00Mixed

Light snow at altitude.
Lt rain below.
24℃ 76°F SE
Light
-125%
Sat17:00Cloud

Light snow at altitude.
Lt rain below.
23℃ 74°F SE
Light
-125%
Sat18:00Mixed

Clear spells. 22℃ 72°F SE
Light
-125%
Sat19:00Fair

Light snow at altitude.
Lt rain below.
22℃ 71°F SE
Calm
-125%
Sat20:00Lt Drizzle

Light drizzle. 21℃ 70°F SE
Light
-125%
Sat21:00Lt Drizzle

Light drizzle. 21℃ 69°F SE
Light
-125%
Sat22:00Mixed

Light snow at altitude.
Lt rain below.
20℃ 69°F SE
Light
-125%
Sat23:00Mixed

Fair at altitude.
Mixed below.
20℃ 68°F SE
Light
-125%
Sun00:00Mixed

Clear spells. 20℃ 68°F SE
Light
-125%
Sun01:00Mixed

Clear spells. 20℃ 67°F SE
Light
-125%
Sun02:00Mixed

Clear spells. 19℃ 67°F SE
Light
-125%
Sun03:00Mixed

Cloudy at altitude.
Mixed below.
19℃ 67°F SE
Light
-125%
Sun04:00Mixed

Cloudy at altitude.
Mixed below.
19℃ 66°F SE
Light
-125%
Sun05:00Mixed

Cloudy at altitude.
Mixed below.
19℃ 66°F SE
Light
-125%
Sun06:00Mixed

Clear spells. 19℃ 66°F SE
Light
-125%
Sun07:00Mixed

Clear spells. 19℃ 67°F SE
Light
-125%
Sun08:00Mixed

Clear spells. 20℃ 67°F SE
Light
-125%
Sun09:00Mixed

Clear spells. 20℃ 68°F SE
Light
-125%
Sun10:00Mixed

Clear spells. 21℃ 69°F SE
Light
-125%
Sun11:00Mixed

Clear spells. 21℃ 70°F SE
Light
-125%
Sun12:00Mixed

Clear spells. 22℃ 71°F SE
Light
-125%
Sun13:00Mixed

Clear spells. 23℃ 72°F SE
Light
-125%
Sun14:00Fair

Clear spells at altitude.
Fair below.
23℃ 74°F SE
Light
-125%
Sun15:00Fair

Fair. 24℃ 74°F SE
Light
-125%
Sun16:00Cloud

Cloudy. 23℃ 74°F SE
Light
-125%
Sun17:00Mixed

Cloudy at altitude.
Mixed below.
23℃ 73°F SE
Light
-125%
Sun18:00Mixed

Fair at altitude.
Mixed below.
22℃ 72°F SE
Calm
-125%
Sun19:00Mixed

Clear spells. 22℃ 71°F SE
Light
-125%
Sun20:00Mixed

Clear spells. 21℃ 70°F SE
Light
-125%
Sun21:00Mixed

Clear spells. 21℃ 69°F SE
Light
-125%
Sun22:00Mixed

Clear spells. 20℃ 68°F SE
Light
-125%
Sun23:00Mixed

Clear spells. 20℃ 68°F SE
Light
-125%

Snow Forecast near Happo One

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Happo One are not available.

Happo One Snow

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

No significant snowfall is forecast for this period.

This Snow Forecast for Happo One, 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 Happo One, 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.

Snow Reliability

Happo One typically enjoys reliable snow conditions, with an average snow depth of 3 to 4 meters during peak season. For the latest snow reports and updates, check J2Ski.