What is the weather in Grancy today?

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

What is the 15-day forecast for Grancy?

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

Will it rain tomorrow in Grancy?

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

What is the air quality in Grancy?

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

Are there weather alerts for Grancy?

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

At what altitude is Grancy located?

Grancy sits at around 621 m above sea level in the canton of Vaud. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Grancy?

The warmest month in Grancy is July, averaging 19.0 °C (1991–2020 normal). The coldest is January at 1.2 °C.

How much does it rain in Grancy per year?

Grancy receives about 999 mm of precipitation a year. The wettest month is August (98 mm), the driest February (57 mm).

When is the best time to visit Grancy?

For warmth and sunshine: July (19.0 °C on average, 257 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.

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Home › Vaud › Grancy

Weather in Grancy

Vaud, 621 m · continuously updated

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

Temperature · last 4 and next 28 hours

Grancy weather: the next 24 hours

Updated hourly.

Grancy weather hour by hour (48 h)

Grancy 15-day forecast

Two-week trend.

Grancy 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 Grancy

Neighbouring municipalities, as the crow flies.

La Chaux (Cossonay)2 km Senarclens2 km Chavannes-le-Veyron2 km Vullierens2 km Hautemorges2 km Mauraz3 km Gollion4 km Cossonay4 km

7-day forecast for Grancy

Today (Sunday 27 Sep) in Grancy: mostly sunny, 11 to 24 °C, precipitation 0.0 mm (0 %), wind up to 10 km/h. Tomorrow: overcast, 13 to 24 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	11 °C	24 °C	0.0 mm	10 km/h
Tomorrow	overcast	13 °C	24 °C	0.0 mm	7 km/h
Tue 29 Sep	overcast	15 °C	23 °C	0.1 mm	8 km/h
Wed 30 Sep	light rain	15 °C	19 °C	3.3 mm	7 km/h
Thu 1 Oct	light rain	14 °C	17 °C	15.0 mm	8 km/h
Fri 2 Oct	overcast	14 °C	21 °C	0.0 mm	14 km/h
Sat 3 Oct	fog	12 °C	21 °C	0.3 mm	11 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 621 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Grancy

Sunday 27 Sep in Grancy, hour by hour: sunny in the morning, sunny in the afternoon, partly cloudy in the evening. Low 11 °C around 03:00, high 24 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	14 °C	6 km/h
01:00	sunny	13 °C	5 km/h
02:00	sunny	13 °C	6 km/h
03:00	sunny	11 °C	6 km/h
04:00	sunny	12 °C	6 km/h
05:00	sunny	12 °C	5 km/h
06:00	sunny	12 °C	5 km/h
07:00	sunny	12 °C	4 km/h
08:00	sunny	12 °C	4 km/h
09:00	sunny	14 °C	3 km/h
10:00	sunny	17 °C	2 km/h
11:00	sunny	19 °C	3 km/h
12:00	sunny	20 °C	7 km/h
13:00	sunny	22 °C	9 km/h
14:00	sunny	23 °C	11 km/h
15:00	sunny	24 °C	10 km/h
16:00	sunny	24 °C	8 km/h
17:00	mostly sunny	24 °C	6 km/h
18:00	partly cloudy	23 °C	4 km/h
19:00	partly cloudy	21 °C	2 km/h
20:00	sunny	19 °C	3 km/h
21:00	partly cloudy	15 °C	6 km/h
22:00	partly cloudy	15 °C	6 km/h
23:00	overcast	15 °C	6 km/h

Hourly forecast issued 27.09.2026 for Grancy (621 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Grancy weather tomorrow

Tomorrow, Monday 28 Sep, in Grancy: overcast, 13 to 24 °C, wind up to 7 km/h. No precipitation expected.

Grancy weekend weather

This weekend in Grancy: Saturday fog, 12 to 21 °C; Sunday mostly sunny, 11 to 24 °C.

Will it rain in Grancy this week?

Yes: 2 days with precipitation are expected in Grancy over the next 7 days, 18.7 mm in total. Wettest day: Thursday 1 Oct (15.0 mm).

The best day to go out in Grancy

The best day of the next 7 in Grancy: Sunday 27 Sep, mostly sunny, up to 24 °C.

The last 7 days in Grancy

From 20 Sep to 26 Sep: 16.0 °C on average, 1.7 °C above the September normal (14.3 °C), 0 mm of precipitation (7-day normal: 20 mm). Warmest day: saturday 26 Sep (24 °C); coolest night: saturday 26 Sep (8 °C).

Day	Min	Max
Sun 20 Sep	10 °C	23 °C
Mon 21 Sep	11 °C	22 °C
Tue 22 Sep	11 °C	21 °C
Wed 23 Sep	10 °C	22 °C
Thu 24 Sep	9 °C	21 °C
Fri 25 Sep	10 °C	22 °C
Sat 26 Sep	8 °C	24 °C

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

Climate of Grancy: 1991–2020 normals

In Grancy (621 m), the mean annual temperature is 9.7 °C. The warmest month is July (19.0 °C on average) and the coldest January (1.2 °C). About 999 mm of precipitation falls per year, peaking in August (98 mm) with a minimum in February (57 mm). The sun shines for about 1924 hours a year, mostly in July (257 h). On average there are 63 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.3 °C and the absolute minimum −7.9 °C.

9.7 °CMean annual temperature

999 mmPrecipitation per year

1924 hSunshine hours per year

63Frost days per year

53Summer 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	1.2 °C	10.3 °C	−7.9 °C	70	72	16	0
Feb	1.9 °C	12.3 °C	−7.6 °C	57	102	14	0
Mar	5.4 °C	17.5 °C	−4.7 °C	59	165	9	0
Apr	9.2 °C	21.8 °C	−1.8 °C	71	189	2	0
May	13.3 °C	26.3 °C	2.6 °C	96	204	0	4
Jun	17.1 °C	29.8 °C	6.2 °C	97	238	0	12
Jul	19.0 °C	31.3 °C	8.4 °C	90	257	0	18
Aug	18.5 °C	30.4 °C	7.7 °C	98	239	0	16
Sep	14.3 °C	25.1 °C	4.1 °C	87	197	0	3
Oct	10.0 °C	20.2 °C	0.5 °C	98	131	1	0
Nov	5.0 °C	14.9 °C	−3.8 °C	85	78	6	0
Dec	1.9 °C	10.8 °C	−7.1 °C	90	52	13	0
Year	9.7 °C	31.3 °C	−7.9 °C	999	1924	63	53

Source: MeteoSwiss open data (1991–2020 normals) — stations Mathod (18 km, 435 m), Pully (18 km, 456 m), Nyon / Changins (28 km, 458 m), adjusted to the elevation of Grancy (621 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.