Grenay

Isère, Auvergne-Rhône-Alpes, France

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Current Weather

16°

Clear

Feels Like: 16°

Min: 14°

Max: 28°

The next few hours will be clear, with today reaching 28°C and dropping to 18°C. The coming days will be drizzle

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Hourly Forecast

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Daylight Hours

07:40

Sunrise

19:19

Sunset

11 hours 38 minutes of sunlight today

Moon

Waning Gibbous

19:29

Moonrise

08:22

Moonset

Daily Forecast

Today

14°
28°

Monday

17°
27°

Tuesday

17°
26°

Wednesday

17°
21°

Thursday

16°
20°

Friday

14°
21°

Saturday

14°
19°

Sunday

14°
18°

Monday

12°
19°

Tuesday

10°
18°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

79% Humid
Low High

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Weather in Grenay today, September 27, 2026

Grenay is set for a fine, sunny day on September 27, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Expect a brighter morning, with limited cloud around 0% by 04:00. Conditions start on a settled note.

The day peaks near 28°C and cools toward 14°C. Relative humidity sits between 34% and 80%, reaching its peak around 07:00. Winds stay light, near 8.7 km/h by 13:00, so the day feels still more than breezy.

Through the afternoon cloud remains the main feature, with cover near 100% around 19:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 40.1 km, briefly nearer 34.4 km. Expect sunrise at 07:40, sunset at 19:19, and 11 hours 38 minutes of sunlight today overall.

Taken together, settled sunshine in Grenay on September 27, 2026 makes outdoor timing easier, with highs near 28°C.

Frequently asked questions about weather in Grenay

How warm does it get in Grenay?

The warmest month in Grenay is August, with average high temperatures of 29°C. The average temperature during this period is around 23°C.

How cold does it get in Grenay?

The coldest month in Grenay is January, with average low temperatures of 1°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Grenay?

The wettest month in Grenay is November, with an average of 108mm of precipitation.

What is the driest time of year in Grenay?

The driest month in Grenay is February, with an average of 57mm of precipitation.

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Metric (°C, km/h)