See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
26°
Light Rain
Feels Like: 26°
Min: 21°
Max: 28°
The next few hours will be mostly cloudy, with today reaching 28°C and dropping to 22°C. The coming days will be cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:07
Sunrise
18:17
Sunset
Moon
Waxing Crescent
11:00
Moonrise
21:00
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Koga.
Resources
UV Index
Humidity
Weather in Koga today, September 16, 2026
Koga keeps a mostly sunny profile on September 16, 2026, aside from a cloudier spell around 15:00. Outside that window, bright conditions should still lead the day.
The day peaks near 28°C and cools toward 21°C. The air stays humid, with relative humidity between 66% and 82% and the peak around 23:00. A lighter breeze peaks around 15:00 near 5.0 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 20% around 15:00. Cloud also stays substantial, close to 35% near 15:00. Visibility stays near 16.1 km. Sunrise is at 06:07 and sunset at 18:17, giving 12 hours 9 minutes of sunlight today.
In short, treat September 16, 2026 in Koga as a damp day: pack covers, watch the wetter hours, and expect a high near 28°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 33°C. The average temperature during this period is around 29°C.
How cold does it get in Koga?
The coldest month in Koga is January, with average low temperatures of 4°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Koga?
The wettest month in Koga is July, with an average of 251mm of precipitation.
What is the driest time of year in Koga?
The driest month in Koga is December, with an average of 59mm of precipitation.
Explore more weather forecasts
- Nishifukuma, Fukuoka Prefecture
- Tokyo, Tokyo Prefecture
- Shingū, Fukuoka Prefecture
- Yokohama, Kanagawa
- Fukutsu, Fukuoka Prefecture
- Osaka, Ōsaka-fu
- Munakata, Fukuoka Prefecture
- Nagoya, Aichi-ken
- Wakasugi, Fukuoka Prefecture
- Sapporo, Hokkaido
- Sasaguri, Fukuoka Prefecture
- Fukuoka, Fukuoka Prefecture
- Kawasaki, Kanagawa
- Sue, Fukuoka Prefecture
- Kobe, Hyōgo
