See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
16°
Mostly Clear
Feels Like: 10°
Min: 16°
Max: 21°
The next few hours will be mostly clear, with today reaching 21°C and dropping to 15°C. The coming days will be drizzle throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:25
Sunrise
17:38
Sunset
Moon
Waxing Crescent
10:48
Moonrise
19:48
Moonset
Daily Forecast
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Iwanai today, September 16, 2026
Expect a muted, overcast feel in Iwanai on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The morning looks comparatively open, with cloud near 44% around 11:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 21°C and cools toward 16°C. The air stays humid, with relative humidity between 53% and 79% and the peak around 23:00. Expect gentle winds, highest near 15:00 at 3.4 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 21:00. Bright spells should stay limited even as the day wears on. Visibility stays near 16.1 km. Expect sunrise at 05:25, sunset at 17:38, and 12 hours 13 minutes of sunlight today overall.
The practical takeaway for Iwanai on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 21°C.
Frequently asked questions about weather in Iwanai
How warm does it get in Iwanai?
The warmest month in Iwanai is August, with average high temperatures of 24°C. The average temperature during this period is around 22°C.
How cold does it get in Iwanai?
The coldest month in Iwanai is January, with average low temperatures of -6°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Iwanai?
The wettest month in Iwanai is August, with an average of 186mm of precipitation.
What is the driest time of year in Iwanai?
The driest month in Iwanai is April, with an average of 79mm of precipitation.
