See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
13°
Partly Cloudy
Feels Like: 14°
Min: 13°
Max: 19°
The next few hours will be overcast, with today reaching 19°C and dropping to 12°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:57
Sunrise
19:24
Sunset
Moon
Waxing Crescent
12:44
Moonrise
20:02
Moonset
Daily Forecast
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Grenaa today, September 15, 2026
Rain features in Grenaa on September 15, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning sky stays heavily clouded, with cover near 100% around 09:00. Grey conditions set the early tone before any later change.
The temperature range runs from about 13°C up to 19°C. The air stays humid, with relative humidity between 83% and 92% and the peak around 22:00. Airflow remains manageable, reaching about 7.4 km/h around 13:00.
Afternoon showers stay in play, peaking near 70% around 20:00. Skies remain cluttered, with cover about 100% by 12:00. Expect visibility near 23.9 km, with poorer spells close to 16.3 km. Expect sunrise at 06:57, sunset at 19:24, and 12 hours 26 minutes of sunlight today overall.
The practical takeaway for Grenaa on September 15, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 19°C.
Frequently asked questions about weather in Grenaa
How warm does it get in Grenaa?
The warmest month in Grenaa is August, with average high temperatures of 19°C. The average temperature during this period is around 18°C.
How cold does it get in Grenaa?
The coldest month in Grenaa is February, with average low temperatures of 2°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Grenaa?
The wettest month in Grenaa is October, with an average of 96mm of precipitation.
What is the driest time of year in Grenaa?
The driest month in Grenaa is April, with an average of 44mm of precipitation.
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