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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 240m altitude

Issued: 2 am 20 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 69.0mm), heaviest during Sat night. Warm (max 25°C on Sat morning, min 16°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 7.0mm), mostly falling on Tue morning. Warm (max 24°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
mod rain
heavy rain
light rain
light rain
light rain
rain showers
light rain
mod rain
light rain
part cloud
part cloud
light rain
rain showers
rain showers
clear
clear
clear
light rain
mod. rain
heavy rain
light rain
light rain
light rain
rain shwrs
light rain
mod. rain
light rain
some clouds
some clouds
light rain
rain shwrs
rain shwrs
clear
clear
clear
km/h
5
SSE
5
S
10
S
0
SSW
5
W
5
SW
15
WSW
15
W
10
WNW
5
NNW
5
N
5
S
5
WNW
5
NW
5
SE
5
NNE
5
NE
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
8
39
2
3
3
2
5
6
3
1
2
1
max °C
25
21
20
23
22
20
22
19
16
18
21
16
21
20
17
23
24
19
min °C
25
19
19
21
21
19
20
18
16
17
18
14
18
18
14
22
20
18
 chill °C
25
19
19
21
21
19
20
18
16
17
18
14
18
18
14
22
20
18
Humid %
73
93
91
96
91
93
89
91
95
92
68
82
73
76
89
58
62
77
Freeze m
4350
4550
4750
4450
4400
4300
4200
3800
3250
3050
3500
3200
3050
3300
3350
4050
4200
4450
Sea lvl1000m2000m3000m4000m5000m
221819201917171614141614161614192018252020222220211916182015201916232219
Sunrise
4:28
4:28
4:28
4:28
4:28
4:30
Sunset
7:09
7:09
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

Snow Radar

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 3 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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