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10°
Mostly Cloudy
Feels Like: 9°
Min: 10°
Max: 20°
The next few hours will be partly cloudy, with today reaching 20°C and dropping to 14°C. The coming days will be light rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:41
Sunrise
19:22
Sunset
Moon
Waxing Gibbous
18:56
Moonrise
05:51
Moonset
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View stargazing scoreWeather in Castricum today, September 25, 2026
Conditions in Castricum on September 25, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning sky stays heavily clouded, with cover near 100% around 06:00. Grey conditions set the early tone before any later change.
Expect highs of 20°C and cooler readings close to 10°C. The air stays humid, with relative humidity between 53% and 89% and the peak around 06:00. Winds stay light, near 3.8 km/h by 12:00, so the day feels still more than breezy.
Through the afternoon skies look more workable, with cloud near 41% around 23:00. Later outdoor plans have a clearer window than the morning may have suggested. Horizontal visibility sits around 33.3 km, briefly nearer 21.3 km. Sunrise is at 07:41 and sunset at 19:22, giving 11 hours 41 minutes of sunlight today.
Overall, Castricum on September 25, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 20°C.
Frequently asked questions about weather in Castricum
How warm does it get in Castricum?
The warmest month in Castricum is August, with average high temperatures of 21°C. The average temperature during this period is around 18°C.
How cold does it get in Castricum?
The coldest month in Castricum is January, with average low temperatures of 4°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Castricum?
The wettest month in Castricum is October, with an average of 105mm of precipitation.
What is the driest time of year in Castricum?
The driest month in Castricum is May, with an average of 53mm of precipitation.
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