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snowy resort
Lat Long: 36.94° N 137.90° E
Ski Japan - Niigata

Itoigawa Seaside Valley Snow Forecast

Weather Forecast for Itoigawa Seaside Valley at 240m altitude

Issued: 8 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 13.0mm), heaviest on Fri afternoon. Warm (max 30°C on Fri morning, min 20°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 19.0mm), heaviest on Sat afternoon. Warm (max 29°C on Sun morning, min 22°C on Sat night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
part cloud
part cloud
thunderstorm
rain showers
clear
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
part cloud
rain showers
clear
rain shwrs
rain shwrs
some clouds
some clouds
t-storm
risk
rain shwrs
clear
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
some clouds
rain shwrs
clear
km/h
10
SE
10
S
10
S
5
S
0
NNW
5
S
0
E
5
N
5
SSW
0
NW
5
NNW
5
S
5
NNW
5
NNE
5
S
5
N
5
NNW
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
1
2
1
5
2
3
7
1
2
3
1
2
max °C
27
26
21
29
29
22
30
28
23
28
27
23
29
28
23
29
28
24
min °C
26
23
20
27
25
22
28
26
22
28
25
22
27
25
22
27
25
23
 chill °C
26
23
20
27
25
22
28
26
22
28
25
22
27
25
22
27
25
23
Humid %
73
70
80
61
57
82
64
67
82
68
76
85
72
73
85
72
73
80
Freeze m
4750
4600
4650
4650
4550
4750
4700
4700
4750
4750
4800
4800
4800
4950
5050
5150
5250
5300
Sea lvl1000m2000m3000m4000m5000m
222220242422252523242422242422242422272521282722292723282623282723282724
Sunrise
5:01
5:01
5:03
5:03
5:05
5:05
Sunset
6:44
6:43
6:42
6:39
6:38
6:37

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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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 2 of August 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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