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14°
Breezy and Partly Cloudy
Feels Like: 14°
Min: 11°
Max: 16°
The next few hours will be breezy and mostly cloudy, with today reaching 16°C and dropping to 10°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:01
Sunrise
18:59
Sunset
Moon
Waxing Gibbous
17:37
Moonrise
01:13
Moonset
Daily Forecast
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Tuesday
Wednesday
Thursday
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Saturday
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Wednesday
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UV Index
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View stargazing scoreWeather in Grimmen today, September 21, 2026
Grimmen is set for a fine, sunny day on September 21, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Expect a brighter morning, with limited cloud around 54% by 10:00. Conditions start on a settled note.
Temperatures climb from an overnight low near 11°C toward a daytime high of about 16°C. Expect humidity between 57% and 86%, most humid near 23:00. Expect gentle winds, highest near 13:00 at 7.8 km/h.
Afternoon skies stay clogged, peaking close to 71% near 14:00. The grey theme continues rather than clearing out. Visibility holds near 37.6 km, though it can fall to 28.3 km. The sun rises at 07:01 and sets at 18:59, for a total of 11 hours 57 minutes of sunlight today.
The practical takeaway for Grimmen is a bright September 21, 2026, ideal for outdoor errands before temperatures ease from about 16°C.
Frequently asked questions about weather in Grimmen
How warm does it get in Grimmen?
The warmest month in Grimmen is August, with average high temperatures of 23°C. The average temperature during this period is around 18°C.
How cold does it get in Grimmen?
The coldest month in Grimmen is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Grimmen?
The wettest month in Grimmen is July, with an average of 87mm of precipitation.
What is the driest time of year in Grimmen?
The driest month in Grimmen is March, with an average of 46mm of precipitation.
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