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Ski Japan - Niigata

Itoigawa Seaside Valley Snow Forecast

Lat Long: 36.94° N 137.90° E

Weather Forecast for Itoigawa Seaside Valley at 490m altitude

Issued: 8 pm 29 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 14.0mm), heaviest on Tue afternoon. Warm (max 24°C on Wed morning, min 19°C on Tue night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 21.0mm), heaviest during Sun afternoon. Warm (max 24°C on Sun morning, min 18°C on Fri night). Wind will be generally light.

Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
rain showers
thunderstorm
rain showers
part cloud
light rain
light rain
cloud
light rain
mod rain
light rain
light rain
cloud
part cloud
thunderstorm
rain showers
cloudy
rain shwrs
t-storm
risk
rain shwrs
some clouds
light rain
light rain
cloudy
light rain
mod. rain
light rain
light rain
cloudy
some clouds
t-storm
risk
rain shwrs
km/h
5
ESE
5
NE
5
NE
0
SSE
5
ENE
5
NE
5
SSE
5
SSE
5
SSE
5
SSW
5
WSW
15
WSW
10
WSW
5
W
5
NNW
5
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
4
1
2
4
1
6
3
2
2
2
max °C
21
23
22
20
24
22
21
20
20
20
21
21
19
23
23
21
min °C
20
22
21
19
23
21
19
20
20
19
21
20
18
21
22
20
 chill °C
20
22
21
19
23
21
19
20
20
19
21
20
18
21
22
20
Humid %
77
71
79
75
54
71
78
82
86
90
90
94
85
69
75
85
Freeze m
4000
4050
4150
4000
4200
4250
4200
4400
4600
4650
4450
4550
4250
4100
4300
4400
Sea lvl1000m2000m3000m4000m5000m
1921211922211919191920191820212021252319252320212120222218252421
Sunrise
4:31
4:31
4:31
4:33
4:33
Sunset
7:10
7:10
7:10
7:10
7:10

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

Popular Itoigawa Seaside Valley Pages

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Latest snow reports near Itoigawa Seaside Valley:

No recent snow reports

No recent snow reports

Itoigawa Seaside Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 7 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)

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Snow History

Week 4 of June has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.


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