What is the weather in Lancy today?

At the top of the page you will find the current temperature, precipitation and wind in Lancy, updated in real time.

What is the 15-day forecast for Lancy?

The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Lancy.

Will it rain tomorrow in Lancy?

Check the 48-hour hourly forecast to see exactly when precipitation is expected in Lancy.

What is the air quality in Lancy?

The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Lancy.

Are there weather alerts for Lancy?

Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.

At what altitude is Lancy located?

Lancy sits at around 400 m above sea level in the canton of Geneva. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Lancy?

The warmest month in Lancy is July, averaging 20.7 °C (1991–2020 normal). The coldest is January at 2.5 °C.

How much does it rain in Lancy per year?

Lancy receives about 947 mm of precipitation a year. The wettest month is October (95 mm), the driest February (58 mm).

When is the best time to visit Lancy?

For warmth and sunshine: July (20.7 °C on average, 271 h of sun). The coldest month is January (2.5 °C). Check the 15-day forecast above for your dates.

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Home › Geneva › Lancy

Weather in Lancy

Geneva, 400 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Rhône: 20.6 °C at Genève, Halle de l'Île river temperature · FOEN gauge 3.4 km away · 27.09. 00h

Temperature · last 4 and next 28 hours

Lancy weather: the next 24 hours

Updated hourly.

Lancy weather hour by hour (48 h)

Lancy 15-day forecast

Two-week trend.

Lancy weekend weather Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Lancy

Neighbouring municipalities, as the crow flies.

Onex1 km Plan-les-Ouates2 km Confignon2 km Carouge (GE)2 km Veyrier3 km Bardonnex3 km Perly-Certoux3 km Troinex4 km

7-day forecast for Lancy

Today (Sunday 27 Sep) in Lancy: partly cloudy, 11 to 29 °C, precipitation 0.0 mm (0 %), wind up to 10 km/h. Tomorrow: overcast, 14 to 28 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	partly cloudy	11 °C	29 °C	0.0 mm	10 km/h
Tomorrow	overcast	14 °C	28 °C	0.0 mm	8 km/h
Tue 29 Sep	overcast	14 °C	26 °C	0.0 mm	8 km/h
Wed 30 Sep	light rain	16 °C	19 °C	3.0 mm	4 km/h
Thu 1 Oct	showers	16 °C	19 °C	19.8 mm	4 km/h
Fri 2 Oct	overcast	15 °C	21 °C	0.0 mm	11 km/h
Sat 3 Oct	showers	14 °C	22 °C	1.2 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 400 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected in Lancy today or tomorrow. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Lancy

Sunday 27 Sep in Lancy, hour by hour: sunny in the morning, sunny in the afternoon, partly cloudy in the evening. Low 11 °C around 08:00, high 29 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	15 °C	3 km/h
01:00	sunny	14 °C	2 km/h
02:00	sunny	14 °C	2 km/h
03:00	sunny	13 °C	2 km/h
04:00	sunny	13 °C	2 km/h
05:00	sunny	12 °C	2 km/h
06:00	sunny	12 °C	2 km/h
07:00	sunny	11 °C	2 km/h
08:00	sunny	11 °C	2 km/h
09:00	sunny	13 °C	0 km/h
10:00	sunny	16 °C	0 km/h
11:00	sunny	20 °C	1 km/h
12:00	sunny	23 °C	0 km/h
13:00	sunny	26 °C	9 km/h
14:00	sunny	27 °C	11 km/h
15:00	sunny	28 °C	10 km/h
16:00	sunny	29 °C	10 km/h
17:00	partly cloudy	28 °C	10 km/h
18:00	partly cloudy	28 °C	9 km/h
19:00	partly cloudy	26 °C	5 km/h
20:00	partly cloudy	22 °C	3 km/h
21:00	partly cloudy	20 °C	2 km/h
22:00	overcast	20 °C	1 km/h
23:00	partly cloudy	19 °C	2 km/h

Hourly forecast issued 27.09.2026 for Lancy (400 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Lancy weather tomorrow

Tomorrow, Monday 28 Sep, in Lancy: overcast, 14 to 28 °C, wind up to 8 km/h. No precipitation expected.

Lancy weekend weather

This weekend in Lancy: Saturday showers, 14 to 22 °C; Sunday partly cloudy, 11 to 29 °C.

Will it rain in Lancy this week?

Yes: 3 days with precipitation are expected in Lancy over the next 7 days, 24.0 mm in total. Wettest day: Thursday 1 Oct (19.8 mm).

The best day to go out in Lancy

The best day of the next 7 in Lancy: Sunday 27 Sep, partly cloudy, up to 29 °C.

The last 7 days in Lancy

From 20 Sep to 26 Sep: 18.4 °C on average, 2.5 °C above the September normal (15.9 °C), 0 mm of precipitation (7-day normal: 20 mm). Warmest day: saturday 26 Sep (28 °C); coolest night: wednesday 23 Sep (9 °C).

Day	Min	Max
Sun 20 Sep	12 °C	27 °C
Mon 21 Sep	12 °C	25 °C
Tue 22 Sep	13 °C	24 °C
Wed 23 Sep	9 °C	26 °C
Thu 24 Sep	10 °C	26 °C
Fri 25 Sep	10 °C	25 °C
Sat 26 Sep	10 °C	28 °C

Open-Meteo analyses of the last 7 days (models and assimilated observations), MeteoSwiss 1991–2020 normals. Updated nightly.

Climate of Lancy: 1991–2020 normals

In Lancy (400 m), the mean annual temperature is 11.2 °C. The warmest month is July (20.7 °C on average) and the coldest January (2.5 °C). About 947 mm of precipitation falls per year, peaking in October (95 mm) with a minimum in February (58 mm). The sun shines for about 1932 hours a year, mostly in July (271 h). On average there are 68 frost days and 18 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 33.2 °C and the absolute minimum −6.6 °C.

11.2 °CMean annual temperature

947 mmPrecipitation per year

1932 hSunshine hours per year

68Frost days per year

64Summer days (≥ 25 °C)

JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

Month	Mean T	Abs. max	Abs. min	Precip. (mm)	Sunshine (h)	Frost days	Summer days
Jan	2.5 °C	12.4 °C	−6.6 °C	75	64	19	0
Feb	3.2 °C	14.6 °C	−6.0 °C	58	101	17	0
Mar	6.9 °C	19.5 °C	−3.4 °C	64	167	8	0
Apr	10.6 °C	23.6 °C	−0.4 °C	66	192	1	1
May	14.7 °C	27.9 °C	3.7 °C	79	215	0	4
Jun	18.5 °C	31.5 °C	7.6 °C	82	247	0	14
Jul	20.7 °C	33.2 °C	9.9 °C	79	271	0	21
Aug	20.1 °C	32.7 °C	9.2 °C	81	246	0	18
Sep	15.9 °C	27.7 °C	5.6 °C	87	190	0	6
Oct	11.5 °C	22.4 °C	1.5 °C	95	121	1	0
Nov	6.4 °C	17.0 °C	−3.0 °C	89	68	7	0
Dec	3.2 °C	12.9 °C	−5.7 °C	92	50	15	0
Year	11.2 °C	33.2 °C	−6.6 °C	947	1932	68	64

Source: MeteoSwiss open data (1991–2020 normals) — stations Genève / Cointrin (8 km, 411 m), Nyon / Changins (26 km, 458 m), La Dôle (28 km, 1670 m), adjusted to the elevation of Lancy (400 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.