See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
13°
Clear
Feels Like: 13°
Min: 13°
Max: 27°
The next few hours will be clear, with today reaching 27°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
07:38
Sunrise
19:16
Sunset
Moon
Waning Gibbous
19:26
Moonrise
08:20
Moonset
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View stargazing scoreWeather in Groissiat today, September 27, 2026
Groissiat looks cloudy on September 27, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Expect a brighter morning, with limited cloud around 0% by 05:00. Conditions start on a settled note.
The day peaks near 27°C and cools toward 13°C. Moisture in the air spans 39%-77%, with the highest values around 21:00. Winds stay light, near 4.4 km/h by 13:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 99% by 23:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 40.2 km on average, though it can drop toward 34.5 km in thicker cloud or showers. Expect sunrise at 07:38, sunset at 19:16, and 11 hours 38 minutes of sunlight today overall.
Overall, Groissiat on September 27, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 27°C.
Frequently asked questions about weather in Groissiat
How warm does it get in Groissiat?
The warmest month in Groissiat is August, with average high temperatures of 26°C. The average temperature during this period is around 21°C.
How cold does it get in Groissiat?
The coldest month in Groissiat is January, with average low temperatures of 0°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Groissiat?
The wettest month in Groissiat is December, with an average of 180mm of precipitation.
What is the driest time of year in Groissiat?
The driest month in Groissiat is August, with an average of 82mm of precipitation.
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