Onex

Geneva, Canton de Genève, Switzerland

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Current Weather

24°

Clear

Feels Like: 25°

Min: 13°

Max: 24°

The next few hours will be clear, with today reaching 24°C and dropping to 8°C. The coming days will be light rain

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

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Today
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Daylight Hours

07:30

Sunrise

19:24

Sunset

11 hours 54 minutes of sunlight today

Moon

Waxing Gibbous

17:51

Moonrise

02:19

Moonset

Daily Forecast

Today

13°
24°

Wednesday

26°

Thursday

10°
24°

Friday

23°

Saturday

27°

Sunday

10°
26°

Monday

15°
25°

Tuesday

13°
24°

Wednesday

17°
25°

Thursday

15°
18°

Air Quality Data Available

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UV Index

Wear sunscreen
4 Moderate
Low Extreme

Humidity

20% Very Dry
Low High

Current stargazing conditions?

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Weather in Onex today, September 22, 2026

Conditions in Onex on September 22, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.

The day peaks near 24°C and cools toward 13°C. Moisture in the air spans 18%-47%, with the highest values around 23:00. Airflow remains manageable, reaching about 6.2 km/h around 16:00.

Through the afternoon skies look more workable, with cloud near 0% around 15:00. Later outdoor plans have a clearer window than the morning may have suggested. Horizontal visibility sits around 49.4 km, briefly nearer 42.3 km. Sunrise is at 07:30 and sunset at 19:24, giving 11 hours 54 minutes of sunlight today.

Taken together, settled sunshine in Onex on September 22, 2026 makes outdoor timing easier, with highs near 24°C.

Frequently asked questions about weather in Onex

How warm does it get in Onex?

The warmest month in Onex is August, with average high temperatures of 25°C. The average temperature during this period is around 19°C.

How cold does it get in Onex?

The coldest month in Onex is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.

What is the wettest time of year in Onex?

The wettest month in Onex is December, with an average of 170mm of precipitation.

What is the driest time of year in Onex?

The driest month in Onex is February, with an average of 100mm of precipitation.

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Metric (°C, km/h)