Current Conditions
Itoigawa, Niigata
Wind
SSW 3 mph4 km/h
Humidity
87%
Cloud Cover
98%
As of Thursday, September 3, 2026 at 2:32 AM GMT+9
Today's Outlook
Day
Overcast and warm, with a high of 74°F23°C. Light wind from the W around 3 mph5 km/h. 100% chance of rain throughout the day. Heavy, humid air.
Night
Overcast, with a low around 71°F22°C. Light wind from the WSW around 3 mph5 km/h. 99% chance of rain throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Rain | High 77°F25°C | Low 71°F22°C | Precip 1.37 in34.8 mm100% | Cloud 99% | Wind WSW 3 mph5 km/h | Thursday: Overcast and warm, with a high of 74°F23°C. Light wind from the W around 3 mph5 km/h. 100% chance of rain throughout the day. Heavy, humid air. Thursday Night: Overcast, with a low around 71°F22°C. Light wind from the WSW around 3 mph5 km/h. 99% chance of rain throughout the night. | |
| Rain | High 71°F22°C | Low 68°F20°C | Precip 0.39 in10 mm98% | Cloud 100% | Wind NNE 5 mph8 km/h | Friday: Overcast and warm, with a high of 71°F22°C. Light wind from the NNE around 5 mph8 km/h. 96% chance of light rain throughout the day. Humid. Friday Night: Overcast, with a low around 68°F20°C. Light wind from the NNE around 5 mph8 km/h. 98% chance of rain throughout the night. | |
| Rain | High 74°F23°C | Low 66°F19°C | Precip 0.21 in5.4 mm63% | Cloud 79% | Wind ENE 7 mph11 km/h | Saturday: Mostly cloudy and warm, with a high of 74°F23°C and morning low of 66°F19°C. Breezy from the ENE at 7 to 9 mph12 to 14 km/h. 30% chance of light rain throughout the day. Saturday Night: Overcast, with a low around 66°F19°C. Breezy from the ENE at 6 to 8 mph10 to 12 km/h. 63% chance of rain overnight. | |
| Light Rain | High 77°F25°C | Low 68°F20°C | Precip 0.14 in3.5 mm45% | Cloud 87% | Wind SE 6 mph10 km/h | Sunday: Overcast and warm, with a high of 77°F25°C and morning low of 68°F20°C. Breezy from the SE at 6 to 7 mph10 to 11 km/h. 22% chance of drizzle throughout the day. Sunday Night: Overcast, with a low around 68°F20°C. Breezy from the SE at 6 to 8 mph10 to 12 km/h. 45% chance of light rain in the evening. | |
| Rain | High 74°F23°C | Low 69°F21°C | Precip 0.98 in24.8 mm78% | Cloud 90% | Wind SE 5 mph9 km/h | Monday: Overcast and warm, with a high of 74°F23°C. Light wind from the ESE around 5 mph9 km/h. 78% chance of rain throughout the day. Humid. Monday Night: Overcast, with a low around 70°F21°C. Breezy from the SE at 5 to 7 mph9 to 12 km/h. 69% chance of rain throughout the night. | |
| Light Rain | High 77°F25°C | Low 71°F22°C | Precip 0.52 in13.1 mm67% | Cloud 77% | Wind NE 4 mph6 km/h | Tuesday: Mostly cloudy and warm, with a high of 77°F25°C and morning low of 71°F22°C. Light wind from the NNE around 4 mph6 km/h. 67% chance of light rain throughout the day. Heavy, humid air. Tuesday Night: Overcast, with a low around 71°F22°C. Light wind from the ENE around 3 mph6 km/h. 67% chance of light rain throughout the night. | |
| Rain | High 75°F24°C | Low 71°F21°C | Precip 0.9 in22.9 mm96% | Cloud 87% | Wind NNE 4 mph7 km/h | Wednesday: Overcast and warm, with a high of 75°F24°C. Light wind from the NNE around 4 mph7 km/h. 93% chance of rain throughout the day. Heavy, humid air. Wednesday Night: Overcast, with a low around 71°F21°C. Light wind from the NE around 4 mph6 km/h. 96% chance of rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdaySep 3 | 77°F25°C | 71°F22°C | 1.37 in34.8 mm· 100% | 99% | Rain | WSW 3 mph5 km/h | |
DayOvercast and warm, with a high of 74°F23°C. Light wind from the W around 3 mph5 km/h. 100% chance of rain throughout the day. Heavy, humid air. NightOvercast, with a low around 71°F22°C. Light wind from the WSW around 3 mph5 km/h. 99% chance of rain throughout the night. | |||||||
| FridaySep 4 | 71°F22°C | 68°F20°C | 0.39 in10 mm· 98% | 100% | Rain | NNE 5 mph8 km/h | |
DayOvercast and warm, with a high of 71°F22°C. Light wind from the NNE around 5 mph8 km/h. 96% chance of light rain throughout the day. Humid. NightOvercast, with a low around 68°F20°C. Light wind from the NNE around 5 mph8 km/h. 98% chance of rain throughout the night. | |||||||
| SaturdaySep 5 | 74°F23°C | 66°F19°C | 0.21 in5.4 mm· 63% | 79% | Rain | ENE 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 66°F19°C. Breezy from the ENE at 7 to 9 mph12 to 14 km/h. 30% chance of light rain throughout the day. NightOvercast, with a low around 66°F19°C. Breezy from the ENE at 6 to 8 mph10 to 12 km/h. 63% chance of rain overnight. | |||||||
| SundaySep 6 | 77°F25°C | 68°F20°C | 0.14 in3.5 mm· 45% | 87% | Light Rain | SE 6 mph10 km/h | |
DayOvercast and warm, with a high of 77°F25°C and morning low of 68°F20°C. Breezy from the SE at 6 to 7 mph10 to 11 km/h. 22% chance of drizzle throughout the day. NightOvercast, with a low around 68°F20°C. Breezy from the SE at 6 to 8 mph10 to 12 km/h. 45% chance of light rain in the evening. | |||||||
| MondaySep 7 | 74°F23°C | 69°F21°C | 0.98 in24.8 mm· 78% | 90% | Rain | SE 5 mph9 km/h | |
DayOvercast and warm, with a high of 74°F23°C. Light wind from the ESE around 5 mph9 km/h. 78% chance of rain throughout the day. Humid. NightOvercast, with a low around 70°F21°C. Breezy from the SE at 5 to 7 mph9 to 12 km/h. 69% chance of rain throughout the night. | |||||||
| TuesdaySep 8 | 77°F25°C | 71°F22°C | 0.52 in13.1 mm· 67% | 77% | Light Rain | NE 4 mph6 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 71°F22°C. Light wind from the NNE around 4 mph6 km/h. 67% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 71°F22°C. Light wind from the ENE around 3 mph6 km/h. 67% chance of light rain throughout the night. | |||||||
| WednesdaySep 9 | 75°F24°C | 71°F21°C | 0.9 in22.9 mm· 96% | 87% | Rain | NNE 4 mph7 km/h | |
DayOvercast and warm, with a high of 75°F24°C. Light wind from the NNE around 4 mph7 km/h. 93% chance of rain throughout the day. Heavy, humid air. NightOvercast, with a low around 71°F21°C. Light wind from the NE around 4 mph6 km/h. 96% chance of rain throughout the night. | |||||||
| ThursdaySep 10 | 70°F21°C | 67°F20°C | 1.08 in27.5 mm· 88% | 90% | Rain | NE 5 mph8 km/h | |
DayOvercast and warm, with a high of 70°F21°C. Light wind from the NE around 6 mph9 km/h. 88% chance of rain throughout the day. Humid. NightOvercast, with a low around 67°F20°C. Light wind from the NE around 5 mph8 km/h. 85% chance of rain throughout the night. | |||||||
| FridaySep 11 | 71°F21°C | 66°F19°C | 0.61 in15.5 mm· 66% | 82% | Rain | NE 5 mph8 km/h | |
DayOvercast and warm, with a high of 71°F21°C. Light wind from the NE around 5 mph9 km/h. 66% chance of rain throughout the day. NightOvercast, with a low around 66°F19°C. Light wind from the ENE around 5 mph8 km/h. 65% chance of light rain throughout the night. | |||||||
| SaturdaySep 12 | 72°F22°C | 67°F19°C | 0.57 in14.6 mm· 69% | 82% | Light Rain | NE 4 mph6 km/h | |
DayOvercast and warm, with a high of 72°F22°C and morning low of 67°F19°C. Light wind from the NE around 4 mph7 km/h. 69% chance of light rain throughout the day. Humid. NightOvercast, with a low around 67°F19°C. Light wind from the ENE around 4 mph6 km/h. 60% chance of light rain throughout the night. | |||||||
| SundaySep 13 | 73°F23°C | 68°F20°C | 0.55 in13.9 mm· 79% | 83% | Rain | NE 4 mph6 km/h | |
DayOvercast and warm, with a high of 73°F23°C and morning low of 68°F20°C. Light wind from the NNE around 4 mph7 km/h. 79% chance of rain throughout the day. Humid. NightOvercast, with a low around 68°F20°C. Light wind from the ENE around 4 mph6 km/h. 64% chance of light rain throughout the night. | |||||||
| MondaySep 14 | 72°F22°C | 68°F20°C | 0.58 in14.8 mm· 72% | 83% | Light Rain | NE 4 mph6 km/h | |
DayOvercast and warm, with a high of 72°F22°C. Light wind from the NNE around 4 mph7 km/h. 72% chance of light rain throughout the day. Humid. NightOvercast, with a low around 68°F20°C. Light wind from the ENE around 4 mph6 km/h. 62% chance of light rain throughout the night. | |||||||
| TuesdaySep 15 | 72°F22°C | 67°F19°C | 0.57 in14.6 mm· 77% | 86% | Rain | NE 4 mph6 km/h | |
DayOvercast and warm, with a high of 72°F22°C and morning low of 67°F19°C. Light wind from the NNE around 4 mph7 km/h. 77% chance of rain throughout the day. Humid. NightOvercast, with a low around 67°F20°C. Light wind from the E around 4 mph6 km/h. 70% chance of light rain throughout the night. | |||||||
| WednesdaySep 16 | 71°F22°C | 66°F19°C | 0.57 in14.4 mm· 76% | 85% | Light Rain | ENE 4 mph6 km/h | |
DayOvercast and warm, with a high of 71°F22°C and morning low of 66°F19°C. Light wind from the NNE around 4 mph7 km/h. 76% chance of light rain throughout the day. Humid. NightOvercast, with a low around 67°F19°C. Light wind from the E around 3 mph6 km/h. 64% chance of light rain throughout the night. | |||||||
| ThursdaySep 17 | 72°F22°C | 66°F19°C | 0.54 in13.6 mm· 71% | 81% | Light Rain | ENE 4 mph6 km/h | |
DayOvercast and warm, with a high of 72°F22°C and morning low of 66°F19°C. Light wind from the NE around 4 mph7 km/h. 71% chance of light rain throughout the day. NightOvercast, with a low around 66°F19°C. Light wind from the E around 4 mph6 km/h. 53% chance of light rain throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 37.0333°N, 137.8500°E·Elevation: 15m·Timezone: Asia/Tokyo·Population: 40,765