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Happo One Snow Forecast - 48 hour - 18th July 2026

Happo One 48-Hour Snow Forecast

ECMWF IFS
GFS
JMA

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Updated 17 July 2026 22:46 BST

2-Day Forecast for Happo One

48-hours from 18 July.

See below for forecast detail

Happo One Snow Forecast updated at 22:46 BST, next update expected imminently.

Forecast for today in Happo One

Max 25℃ 78°F
Min 21℃ 70°F

Valley temperatures from an overnight low of 21℃ 70°F to daytime highs around 25℃ 78°F

Temperature at BaseTemp at Base

Sat
18

Snow unlikely

Lt DrizzleShwrsMixedMixed

Light drizzle, rain showers, clear spells later.

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

Forecast for tomorrow in Happo One

Max 28℃ 83°F
Min 21℃ 69°F

Valley temperatures from an overnight low of 21℃ 69°F to daytime highs around 28℃ 83°F

Temperature at BaseTemp at Base

Sun
19

Snow unlikely

FairDrizzleFairFair

Fair, drizzle, 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?
Sat00:00Lt Rain

Light rain. 23℃ 73°F SE
Light
-125%
Sat01:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
23℃ 73°F SE
Light
-125%
Sat02:00Lt Rain

Clear spells at altitude.
Lt rain below.
22℃ 72°F SE
Light
-125%
Sat03:00Rain

Clear spells at altitude.
Rain below.
22℃ 71°F SE
Light
-125%
Sat04:00Lt Drizzle

Clear spells at altitude.
Lt drizzle below.
22℃ 71°F SE
Light
-125%
Sat05:00Fair

Fair. 22℃ 71°F SE
Light
-125%
Sat06:00Fair

Fair. 22℃ 72°F SE
Light
-125%
Sat07:00Fair

Fair. 23℃ 73°F SE
Calm
-125%
Sat08:00Fair

Fair. 23℃ 73°F SE
Light
-125%
Sat09:00Lt Drizzle

Fair at altitude.
Lt drizzle below.
23℃ 74°F SE
Light
-125%
Sat10:00Lt Drizzle

Fair at altitude.
Lt drizzle below.
24℃ 75°F SE
Light
-125%
Sat11:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
25℃ 76°F SE
Light
-125%
Sat12:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
25℃ 78°F SE
Light
-125%
Sat13:00Drizzle

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

Snow at altitude.
Lt rain below.
25℃ 76°F SE
Light
-125%
Sat15:00Rain

Rain. 24℃ 75°F SE
Light
-125%
Sat16:00Drizzle

Light snow at altitude.
Drizzle below.
24℃ 75°F SE
Light
-125%
Sat17:00Hvy Drizzle

Light snow at altitude.
Hvy drizzle below.
23℃ 74°F SE
Light
-125%
Sat18:00Drizzle

Drizzle. 22℃ 72°F SE
Light
-125%
Sat19:00Lt Drizzle

Light drizzle. 22℃ 71°F SE
Light
-125%
Sat20:00Cloud

Cloudy. 22℃ 71°F SE
Light
-125%
Sat21:00Cloud

Clear spells at altitude.
Cloud below.
22℃ 71°F SE
Light
-125%
Sat22:00Mixed

Clear spells. 21℃ 71°F SE
Light
-125%
Sat23:00Mixed

Clear spells. 21℃ 70°F SE
Light
-125%
Sun00:00Mixed

Clear spells. 21℃ 70°F SE
Light
-125%
Sun01:00Mixed

Clear spells. 21℃ 69°F SE
Calm
-125%
Sun02:00Mixed

Fair at altitude.
Mixed below.
21℃ 69°F SE
Light
-125%
Sun03:00Mixed

Fair at altitude.
Mixed below.
21℃ 69°F SE
Calm
-125%
Sun04:00Fair

Fair. 21℃ 69°F SE
Light
-125%
Sun05:00Fair

Fair. 21℃ 69°F SE
Calm
-125%
Sun06:00Mixed

Clear spells. 21℃ 69°F SE
Light
-125%
Sun07:00Fair

Fair. 21℃ 70°F SE
Calm
-125%
Sun08:00Fair

Fair. 22℃ 71°F SE
Calm
-125%
Sun09:00Fair

Fair. 23℃ 73°F SE
Light
-125%
Sun10:00Fair

Fair. 24℃ 75°F SE
Light
-125%
Sun11:00Fair

Clear spells at altitude.
Fair below.
26℃ 78°F SE
Light
-125%
Sun12:00Fair

Light snow at altitude.
Lt rain below.
27℃ 80°F SE
Light
-125%
Sun13:00Fair

Light snow at altitude.
Lt rain below.
28℃ 82°F SE
Light
-125%
Sun14:00Fair

Light snow at altitude.
Lt rain below.
28℃ 83°F SE
Light
-125%
Sun15:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
27℃ 81°F SE
Light
-125%
Sun16:00Drizzle

Light snow at altitude.
Drizzle below.
25℃ 78°F SE
Light
-125%
Sun17:00Drizzle

Light snow at altitude.
Drizzle below.
25℃ 76°F SE
Light
-125%
Sun18:00Lt Drizzle

Light drizzle. 24℃ 75°F SE
Light
-125%
Sun19:00Fair

Light snow at altitude.
Lt rain below.
23℃ 73°F SE
Light
-125%
Sun20:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
23℃ 73°F SE
Light
-125%
Sun21:00Lt Drizzle

Light drizzle. 23℃ 73°F SE
Light
-125%
Sun22:00Fair

Clear spells at altitude.
Fair below.
23℃ 73°F SE
Light
-125%
Sun23:00Fair

Fair. 23℃ 73°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.