What is the weather in Greppen today?

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

What is the 15-day forecast for Greppen?

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

Will it rain tomorrow in Greppen?

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

What is the air quality in Greppen?

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

Are there weather alerts for Greppen?

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

At what altitude is Greppen located?

Greppen sits at around 596 m above sea level in the canton of Lucerne. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Greppen?

The warmest month in Greppen is July, averaging 18.5 °C (1991–2020 normal). The coldest is January at 1.3 °C.

How much does it rain in Greppen per year?

Greppen receives about 1211 mm of precipitation a year. The wettest month is August (145 mm), the driest January (69 mm).

When is the best time to visit Greppen?

For warmth and sunshine: July (18.5 °C on average, 209 h of sun). The coldest month is January (1.3 °C). Check the 15-day forecast above for your dates.

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Home › Lucerne › Greppen

Weather in Greppen

Lucerne, 596 m · continuously updated

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

Temperature · last 4 and next 28 hours

Greppen weather: the next 24 hours

Updated hourly.

Greppen weather hour by hour (48 h)

Greppen 15-day forecast

Two-week trend.

Greppen 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 Greppen

Neighbouring municipalities, as the crow flies.

Weggis2 km Küssnacht (SZ)3 km Udligenswil5 km Vitznau6 km Gersau7 km Meggen7 km Dierikon7 km Adligenswil7 km

7-day forecast for Greppen

Today (Sunday 27 Sep) in Greppen: mostly sunny, 15 to 24 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: overcast, 15 to 25 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	15 °C	24 °C	0.0 mm	7 km/h
Tomorrow	overcast	15 °C	25 °C	0.0 mm	8 km/h
Tue 29 Sep	overcast	16 °C	25 °C	0.0 mm	8 km/h
Wed 30 Sep	overcast	18 °C	24 °C	0.0 mm	8 km/h
Thu 1 Oct	light rain	16 °C	18 °C	2.1 mm	4 km/h
Fri 2 Oct	showers	15 °C	19 °C	0.6 mm	8 km/h
Sat 3 Oct	fog	15 °C	20 °C	0.0 mm	6 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 596 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Greppen

Sunday 27 Sep in Greppen, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 15 °C around 05:00, high 25 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	17 °C	5 km/h
01:00	sunny	17 °C	3 km/h
02:00	sunny	17 °C	2 km/h
03:00	sunny	16 °C	2 km/h
04:00	sunny	16 °C	2 km/h
05:00	sunny	15 °C	3 km/h
06:00	sunny	16 °C	3 km/h
07:00	sunny	16 °C	2 km/h
08:00	sunny	16 °C	2 km/h
09:00	sunny	18 °C	1 km/h
10:00	sunny	18 °C	2 km/h
11:00	sunny	19 °C	2 km/h
12:00	sunny	21 °C	2 km/h
13:00	sunny	22 °C	3 km/h
14:00	sunny	24 °C	4 km/h
15:00	mostly sunny	24 °C	4 km/h
16:00	sunny	25 °C	4 km/h
17:00	sunny	24 °C	2 km/h
18:00	sunny	24 °C	1 km/h
19:00	sunny	22 °C	4 km/h
20:00	sunny	21 °C	6 km/h
21:00	sunny	20 °C	7 km/h
22:00	sunny	20 °C	6 km/h
23:00	sunny	20 °C	4 km/h

Hourly forecast issued 27.09.2026 for Greppen (596 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Greppen weather tomorrow

Tomorrow, Monday 28 Sep, in Greppen: overcast, 15 to 25 °C, wind up to 8 km/h. No precipitation expected.

Greppen weekend weather

This weekend in Greppen: Saturday fog, 15 to 20 °C; Sunday mostly sunny, 15 to 24 °C.

Will it rain in Greppen this week?

Yes: 1 day with precipitation is expected in Greppen over the next 7 days, 2.7 mm in total. Wettest day: Thursday 1 Oct (2.1 mm).

The best day to go out in Greppen

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

The last 7 days in Greppen

From 20 Sep to 26 Sep: 16.5 °C on average, 2.3 °C above the September normal (14.2 °C), 0 mm of precipitation (7-day normal: 22 mm). Warmest day: saturday 26 Sep (24 °C); coolest night: wednesday 23 Sep (9 °C).

Day	Min	Max
Sun 20 Sep	14 °C	23 °C
Mon 21 Sep	13 °C	20 °C
Tue 22 Sep	10 °C	20 °C
Wed 23 Sep	9 °C	20 °C
Thu 24 Sep	14 °C	20 °C
Fri 25 Sep	11 °C	21 °C
Sat 26 Sep	13 °C	24 °C

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

Climate of Greppen: 1991–2020 normals

In Greppen (596 m), the mean annual temperature is 9.6 °C. The warmest month is July (18.5 °C on average) and the coldest January (1.3 °C). About 1211 mm of precipitation falls per year, peaking in August (145 mm) with a minimum in January (69 mm). The sun shines for about 1530 hours a year, mostly in July (209 h). On average there are 76 frost days and 10 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.5 °C and the absolute minimum −7.9 °C.

9.6 °CMean annual temperature

1211 mmPrecipitation per year

1530 hSunshine hours per year

76Frost days per year

51Summer 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	1.3 °C	12.2 °C	−7.9 °C	69	51	20	0
Feb	1.8 °C	13.6 °C	−7.8 °C	71	80	19	0
Mar	5.4 °C	18.2 °C	−5.1 °C	77	133	10	0
Apr	9.0 °C	21.9 °C	−1.7 °C	96	162	2	1
May	13.1 °C	26.1 °C	2.8 °C	131	173	0	4
Jun	16.7 °C	29.6 °C	6.8 °C	140	187	0	12
Jul	18.5 °C	30.5 °C	9.3 °C	142	209	0	16
Aug	18.2 °C	29.9 °C	8.6 °C	145	198	0	14
Sep	14.2 °C	25.5 °C	5.0 °C	95	146	0	4
Oct	10.2 °C	21.5 °C	0.6 °C	80	99	1	0
Nov	5.1 °C	16.5 °C	−3.9 °C	77	53	7	0
Dec	2.1 °C	12.9 °C	−7.6 °C	87	39	17	0
Year	9.6 °C	30.5 °C	−7.9 °C	1211	1530	76	51

Source: MeteoSwiss open data (1991–2020 normals) — stations Luzern (11 km, 454 m), Cham (15 km, 443 m), Pilatus (16 km, 2105 m), adjusted to the elevation of Greppen (596 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.