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18°
Partly Cloudy
Feels Like: 18°
Min: 14°
Max: 19°
The next few hours will be breezy and overcast, with today reaching 19°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
07:45
Sunrise
19:47
Sunset
Moon
Waxing Gibbous
17:38
Moonrise
01:06
Moonset
Daily Forecast
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View stargazing scoreWeather in Boulogne-sur-Mer tomorrow, September 21, 2026
Boulogne-sur-Mer stays under cloudy skies on September 21, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 100% around 01:00. Grey conditions set the early tone before any later change.
Expect highs of 19°C and cooler readings close to 10°C. Expect humidity between 58% and 92%, most humid near 07:00. Winds stay light, near 1.9 km/h by 14:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 74% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 29.9 km, with poorer spells close to 21.5 km. The sun rises at 07:46 and sets at 19:44, for a total of 11 hours 58 minutes of sunlight today.
In short, cloud leads the story in Boulogne-sur-Mer on September 21, 2026; expect limited sun and a peak around 19°C.
Frequently asked questions about weather in Boulogne-sur-Mer
How warm does it get in Boulogne-sur-Mer?
The warmest month in Boulogne-sur-Mer is August, with average high temperatures of 20°C. The average temperature during this period is around 18°C.
How cold does it get in Boulogne-sur-Mer?
The coldest month in Boulogne-sur-Mer is January, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Boulogne-sur-Mer?
The wettest month in Boulogne-sur-Mer is November, with an average of 127mm of precipitation.
What is the driest time of year in Boulogne-sur-Mer?
The driest month in Boulogne-sur-Mer is April, with an average of 49mm of precipitation.
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