See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
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
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Saint-Martin-Boulogne.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Saint-Martin-Boulogne.
View stargazing scoreWeather in Saint-Martin-Boulogne tomorrow, September 21, 2026
Expect a muted, overcast feel in Saint-Martin-Boulogne on September 21, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The morning sky stays heavily clouded, with cover near 100% around 01:00. Grey conditions set the early tone before any later change.
The day peaks near 19°C and cools toward 10°C. Moisture in the air spans 58%-92%, with the highest values around 07:00. Airflow remains manageable, reaching about 1.9 km/h around 14:00.
Through the afternoon cloud remains the main feature, with cover near 74% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 29.9 km, briefly nearer 21.5 km. Daylight runs from 07:46 to 19:44, lasting 11 hours 58 minutes of sunlight today.
The practical takeaway for Saint-Martin-Boulogne on September 21, 2026 is a cloudy day that stays usable, just not particularly bright, around 19°C.
Frequently asked questions about weather in Saint-Martin-Boulogne
How warm does it get in Saint-Martin-Boulogne?
The warmest month in Saint-Martin-Boulogne 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 Saint-Martin-Boulogne?
The coldest month in Saint-Martin-Boulogne 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 Saint-Martin-Boulogne?
The wettest month in Saint-Martin-Boulogne is November, with an average of 127mm of precipitation.
What is the driest time of year in Saint-Martin-Boulogne?
The driest month in Saint-Martin-Boulogne is April, with an average of 49mm of precipitation.
Explore more weather forecasts
- Boulogne-sur-Mer, Hauts-de-France
- Paris, Île-de-France
- Outreau, Hauts-de-France
- Marseille, Provence-Alpes-Côte d'Azur
- Le Portel, Hauts-de-France
- Lyon, Auvergne-Rhône-Alpes
- Étaples, Hauts-de-France
- Toulouse, Occitanie
- Calais, Hauts-de-France
- Nice, Provence-Alpes-Côte d'Azur
- Berck-Plage, Hauts-de-France
- Nantes, Pays de la Loire
- Berck, Hauts-de-France
- Marne La Vallée, Île-de-France
- Longuenesse, Hauts-de-France
- Strasbourg, Grand Est
