See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:06
Sunrise
18:15
Sunset
Moon
Waxing Crescent
10:56
Moonrise
21:01
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 Iwashita.
UV Index
Humidity
Weather in Iwashita today, September 16, 2026
Iwashita looks damp on September 16, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.
The day peaks near 28°C and cools toward 21°C. The air stays humid, with relative humidity between 87% and 97% and the peak around 21:00. Expect gentle winds, highest near 18:00 at 1.2 km/h.
Expect the wet theme to continue later, as rain odds reach 72% near 17:00. Cloud amounts hold near 45% around 17:00. Expect visibility near 15.5 km, with poorer spells close to 12.1 km. Sunrise is at 06:06 and sunset at 18:15, giving 12 hours 9 minutes of sunlight today.
Overall, Iwashita on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 72% and the high sits around 28°C.
Frequently asked questions about weather in Iwashita
How warm does it get in Iwashita?
The warmest month in Iwashita is August, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Iwashita?
The coldest month in Iwashita is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Iwashita?
The wettest month in Iwashita is June, with an average of 372mm of precipitation.
What is the driest time of year in Iwashita?
The driest month in Iwashita is December, with an average of 74mm of precipitation.