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Biwako Valley Snow Forecast - 48 hour - 2nd May 2026

Biwako Valley 48-Hour Snow Forecast

ECMWF IFS
GFS
JMA

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Updated 03 May 2026 04:41 NZST

2-Day Forecast for Biwako Valley

48-hours from 2 May.

See below for forecast detail

Biwako Valley Snow Forecast updated at 04:41 NZST, next update expected imminently.

Forecast for today in Biwako Valley

Max 14℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 14℃

Temperature at BaseTemp at Base

Sat
02

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

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

Forecast for tomorrow in Biwako Valley

Max 18℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Sun
03

Snow unlikely

MixedShwrsShwrsFair

Clear spells, rain showers, fair later.

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

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Biwako Valley from OpenMeteo(JMA)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sat09:00Clear

Clear sky.12℃W
Light
-125%
Sat10:00Clear

Clear sky.13℃W
Light
-125%
Sat11:00Clear

Clear sky.14℃W
Light
-125%
Sat12:00Clear

Clear sky.14℃W
Breeze
-125%
Sat13:00Clear

Clear sky.14℃W
Light
-125%
Sat14:00Clear

Clear sky.13℃W
Light
-125%
Sat15:00Clear

Clear sky.12℃W
Light
-125%
Sat16:00Clear

Clear sky.13℃W
Light
-125%
Sat17:00Fair

Fair.12℃W
Light
-125%
Sat18:00Clear

Clear sky.11℃W
Light
-125%
Sat19:00Mixed

Cloudy at altitude.
Mixed below.
10℃W
Light
-125%
Sat20:00Clear

Clear sky.9℃W
Light
-125%
Sat21:00Clear

Clear sky.9℃W
Light
-125%
Sat22:00Clear

Clear sky.9℃W
Light
-125%
Sat23:00Clear

Clear sky.9℃W
Light
-125%
Sun00:00Fair

Fair.9℃S
Light
-125%
Sun01:00Mixed

Clear spells.10℃S
Light
-125%
Sun02:00Mixed

Clear spells.11℃S
Light
-125%
Sun03:00Mixed

Clear spells.12℃S
Light
-125%
Sun04:00Fair

Fair.12℃S
Light
-125%
Sun05:00Cloud

Cloudy.12℃S
Light
-125%
Sun06:00Mixed

Clear spells.11℃S
Light
-125%
Sun07:00Cloud

Cloudy.12℃S
Light
-125%
Sun08:00Cloud

Cloudy.15℃S
Light
-125%
Sun09:00Fair

Fair.16℃S
Light
-125%
Sun10:00Mixed

Clear spells.18℃S
Light
-125%
Sun11:00Mixed

Clear spells.17℃S
Light
-125%
Sun12:00Mixed

Clear spells.16℃S
Light
-125%
Sun13:00Cloud

Cloudy.16℃S
Light
-125%
Sun14:00Mixed

Clear spells.16℃S
Light
-125%
Sun15:00Mixed

Clear spells.17℃S
Light
-125%
Sun16:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
14℃S
Light
-125%
Sun17:00Drizzle

Heavy snow showers at altitude.
Drizzle below.
12℃S
Breeze
-125%
Sun18:00Lt Rain

Light rain.11℃S
Breeze
-125%
Sun19:00Lt Rain

Light rain.11℃S
Breeze
-125%
Sun20:00Hvy Drizzle

Heavy drizzle.12℃S
Breeze
-125%
Sun21:00Drizzle

Heavy snow showers at altitude.
Drizzle below.
13℃S
Breeze
-125%
Sun22:00Hvy Drizzle

Light snow at altitude.
Hvy drizzle below.
14℃S
Breeze
-125%
Sun23:00Drizzle

Light snow at altitude.
Drizzle below.
14℃S
Breeze
-125%
Mon00:00Lt Rain

Light rain.14℃SW
Breeze
-125%
Mon01:00Lt Rain

Snow at altitude.
Lt rain below.
13℃SW
Breeze
-125%
Mon02:00Rain

Rain.12℃SW
Light
-125%
Mon03:00Rain

Rain.12℃SW
Light
-125%
Mon04:00Drizzle

Light snow at altitude.
Drizzle below.
11℃SW
Light
-125%
Mon05:00Mixed

Clear spells.11℃SW
Light
-125%
Mon06:00Mixed

Fair at altitude.
Mixed below.
12℃SW
Light
-125%
Mon07:00Fair

Fair.12℃SW
Light
-125%
Mon08:00Mixed

Fair at altitude.
Mixed below.
13℃SW
Light
-125%

Snow Forecast near Biwako Valley

Snow forecasts for nearby ski areas.

Snow Forecasts for Ski Resorts near Biwako Valley
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Happo One4cm 6cm
Myoko Suginohara1cm 4cm
Tsugaike Kogen-2cm
Hakuba 47-1cm

Biwako Valley Snow

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

No significant snowfall is forecast for this period.

This Snow Forecast for Biwako Valley, 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 Biwako Valley, 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

Biwako Valley typically sees a snow depth of around 1 to 2 meters throughout the season, with reliable snowfall from December to March. For the latest snow conditions, check updates on J2Ski.