See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
14°
Mostly Cloudy
Feels Like: 15°
Min: 13°
Max: 20°
The next few hours will be mostly cloudy, with today reaching 20°C and dropping to 15°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
08:19
Sunrise
19:55
Sunset
Moon
Waning Gibbous
20:03
Moonrise
09:06
Moonset
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View stargazing scoreWeather in Guissény today, September 27, 2026
Guissény looks damp on September 27, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Wetter spells lean into the morning, when rain odds reach about 22% near 10:00. Skies look heaviest around 09:00, with cover close to 99%.
Expect highs of 20°C and cooler readings close to 13°C. The air stays humid, with relative humidity between 76% and 95% and the peak around 22:00. Winds stay light, near 8.3 km/h by 11:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 76% around 13:00. Cloud also stays substantial, close to 100% near 12:00. Visibility holds near 25.7 km, though it can fall to 12.5 km. Daylight runs from 08:19 to 19:55, lasting 11 hours 36 minutes of sunlight today.
Taken together, Guissény looks wet enough on September 27, 2026 that flexible outdoor plans work best, with temperatures peaking near 20°C.
Frequently asked questions about weather in Guissény
How warm does it get in Guissény?
The warmest month in Guissény is August, with average high temperatures of 17°C. The average temperature during this period is around 17°C.
How cold does it get in Guissény?
The coldest month in Guissény is January, with average low temperatures of 8°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Guissény?
The wettest month in Guissény is December, with an average of 133mm of precipitation.
What is the driest time of year in Guissény?
The driest month in Guissény is July, with an average of 38mm of precipitation.
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