See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Mostly Cloudy
Feels Like: 19°
Min: 18°
Max: 20°
The next few hours will be mostly cloudy, with today reaching 19°C and dropping to 15°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
05:20
Sunrise
17:37
Sunset
Moon
Waxing Crescent
09:37
Moonrise
19:13
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
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Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Ishikari today, September 15, 2026
Cloud cover dominates in Ishikari on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells.
Temperatures climb from an overnight low near 18°C toward a daytime high of about 20°C. Moisture in the air spans 55%-59%, with the highest values around 23:00. A lighter breeze peaks around 15:00 near 4.2 km/h.
Through the afternoon cloud remains the main feature, with cover near 90% around 15:00. Bright spells should stay limited even as the day wears on. Horizontal visibility holds close to 16.1 km. Expect sunrise at 05:20, sunset at 17:37, and 12 hours 16 minutes of sunlight today overall.
Overall, Ishikari on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 20°C.
Frequently asked questions about weather in Ishikari
How warm does it get in Ishikari?
The warmest month in Ishikari is August, with average high temperatures of 25°C. The average temperature during this period is around 23°C.
How cold does it get in Ishikari?
The coldest month in Ishikari is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Ishikari?
The wettest month in Ishikari is August, with an average of 210mm of precipitation.
What is the driest time of year in Ishikari?
The driest month in Ishikari is March, with an average of 73mm of precipitation.
