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18°
Clear
Feels Like: 18°
Min: 15°
Max: 19°
The next few hours will be overcast, with tomorrow reaching 18°C and dropping to 12°C. The coming days will be mostly cloudy starting in the afternoon.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:43
Sunrise
19:45
Sunset
Moon
Waxing Gibbous
17:37
Moonrise
01:02
Moonset
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View stargazing scoreWeather in Gravelines tomorrow, September 21, 2026
Gravelines looks cloudy on September 21, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Expect a grey start, with morning cloud around 100% by 04:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 18°C. The air stays humid, with relative humidity between 60% and 85% and the peak around 00:00. Expect gentle winds, highest near 14:00 at 2.4 km/h.
Expect persistent cloud later on, with amounts around 94% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 30.7 km on average, though it can drop toward 19.1 km in thicker cloud or showers. Daylight runs from 07:44 to 19:42, lasting 11 hours 58 minutes of sunlight today.
The practical takeaway for Gravelines on September 21, 2026 is a cloudy day that stays usable, just not particularly bright, around 18°C.
Frequently asked questions about weather in Gravelines
How warm does it get in Gravelines?
The warmest month in Gravelines is August, with average high temperatures of 22°C. The average temperature during this period is around 19°C.
How cold does it get in Gravelines?
The coldest month in Gravelines is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Gravelines?
The wettest month in Gravelines is October, with an average of 75mm of precipitation.
What is the driest time of year in Gravelines?
The driest month in Gravelines is July, with an average of 47mm of precipitation.
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