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Hourly Forecast
Daylight Hours
05:34
Sunrise
17:32
Sunset
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Waxing Gibbous
14:45
Moonrise
00:33
Moonset
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View stargazing scoreWeather in Koga today, September 21, 2026
Expect unsettled, showery conditions in Koga on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Early hours look the most unsettled, with rain probability near 100% by 08:00. The thickest cloud arrives around 08:00, reaching about 100%.
Temperatures climb from an overnight low near 21°C toward a daytime high of about 24°C. Expect humidity between 88% and 96%, most humid near 14:00. Expect gentle winds, highest near 21:00 at 7.4 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 100% around 12:00. Cloud also stays substantial, close to 100% near 12:00. Expect visibility near 5.2 km, with poorer spells close to 1.8 km. Daylight runs from 05:34 to 17:32, lasting 11 hours 58 minutes of sunlight today.
The practical takeaway for Koga on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 24°C.
Frequently asked questions about weather in Koga
How warm does it get in Koga?
The warmest month in Koga is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Koga?
The coldest month in Koga is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Koga?
The wettest month in Koga is July, with an average of 209mm of precipitation.
What is the driest time of year in Koga?
The driest month in Koga is December, with an average of 42mm of precipitation.
