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Hourly Forecast
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05:25
Sunrise
17:24
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Waxing Gibbous
14:46
Moonrise
00:15
Moonset
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View stargazing scoreWeather in Kamaishi today, September 21, 2026
Expect unsettled, showery conditions in Kamaishi on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 10:00. Cloud is also thick early on, peaking near 100% around 07:00.
The temperature range runs from about 21°C up to 23°C. Relative humidity sits between 99% and 99%, reaching its peak around 07:00. A lighter breeze peaks around 23:00 near 3.7 km/h.
Expect the wet theme to continue later, as rain odds reach 100% near 12:00. Cloud amounts hold near 100% around 12:00. Horizontal visibility sits around 1.1 km, briefly nearer 0.1 km. Daylight runs from 05:25 to 17:24, lasting 11 hours 58 minutes of sunlight today.
The practical takeaway for Kamaishi on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 23°C.
Frequently asked questions about weather in Kamaishi
How warm does it get in Kamaishi?
The warmest month in Kamaishi is August, with average high temperatures of 26°C. The average temperature during this period is around 23°C.
How cold does it get in Kamaishi?
The coldest month in Kamaishi is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Kamaishi?
The wettest month in Kamaishi is August, with an average of 217mm of precipitation.
What is the driest time of year in Kamaishi?
The driest month in Kamaishi is January, with an average of 53mm of precipitation.
