See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Overcast
Feels Like: 20°
Min: 21°
Max: 23°
The next few hours will be misty, with tomorrow reaching 24°C and dropping to 21°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:37
Sunrise
17:48
Sunset
Moon
Waxing Crescent
10:39
Moonrise
20:19
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
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UV Index
Humidity
Weather in Itoigawa tomorrow, September 17, 2026
Itoigawa looks cloudy on September 17, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning carries the wetter risk, with rain chances near 44% and the highest odds around 00:00. Cloud is also thick early on, peaking near 93% around 00:00.
Expect highs of 24°C and cooler readings close to 21°C. Moisture in the air spans 78%-94%, with the highest values around 06:00. Winds stay light, near 5.4 km/h by 12:00, so the day feels still more than breezy.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 44%. Cloud remains in play near 64% around 12:00, but the heaviest damp risk should be behind you. Expect visibility around 16.1 km. Expect sunrise at 05:38, sunset at 17:46, and 12 hours 8 minutes of sunlight today overall.
Taken together, Itoigawa looks wet enough on September 17, 2026 that flexible outdoor plans work best, with temperatures peaking near 24°C.
Frequently asked questions about weather in Itoigawa
How warm does it get in Itoigawa?
The warmest month in Itoigawa is August, with average high temperatures of 28°C. The average temperature during this period is around 26°C.
How cold does it get in Itoigawa?
The coldest month in Itoigawa is February, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Itoigawa?
The wettest month in Itoigawa is December, with an average of 309mm of precipitation.
What is the driest time of year in Itoigawa?
The driest month in Itoigawa is May, with an average of 149mm of precipitation.
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