See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Light Rain and Breezy
Feels Like: 19°
Min: 16°
Max: 20°
The next few hours will be drizzle and breezy, with today reaching 20°C and dropping to 14°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
08:22
Sunrise
19:47
Sunset
Moon
Waning Gibbous
21:18
Moonrise
13:12
Moonset
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View stargazing scoreWeather in Roscoff today, September 30, 2026
Roscoff starts September 30, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Wetter spells lean into the morning, when rain odds reach about 100% near 00:00. Skies look heaviest around 00:00, with cover close to 100%.
Expect highs of 20°C and cooler readings close to 16°C. Relative humidity sits between 60% and 89%, reaching its peak around 07:00. A lighter breeze peaks around 03:00 near 9.3 km/h.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 100%. Cloud remains in play near 89% around 17:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 32.1 km on average, though it can drop toward 22.8 km in thicker cloud or showers. Sunrise is at 08:22 and sunset at 19:47, giving 11 hours 25 minutes of sunlight today.
Taken together, Roscoff looks wet enough on September 30, 2026 that flexible outdoor plans work best, with temperatures peaking near 20°C.
Frequently asked questions about weather in Roscoff
How warm does it get in Roscoff?
The warmest month in Roscoff is August, with average high temperatures of 18°C. The average temperature during this period is around 17°C.
How cold does it get in Roscoff?
The coldest month in Roscoff is January, with average low temperatures of 8°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Roscoff?
The wettest month in Roscoff is December, with an average of 132mm of precipitation.
What is the driest time of year in Roscoff?
The driest month in Roscoff is July, with an average of 35mm of precipitation.
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