What is the weather in Arth today?

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

What is the 15-day forecast for Arth?

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

Will it rain tomorrow in Arth?

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

What is the air quality in Arth?

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

Are there weather alerts for Arth?

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

At what altitude is Arth located?

Arth sits at around 1060 m above sea level in the canton of Schwyz. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Arth?

The warmest month in Arth is July, averaging 15.9 °C (1991–2020 normal). The coldest is January at −2.2 °C.

How much does it rain in Arth per year?

Arth receives about 1366 mm of precipitation a year. The wettest month is August (170 mm), the driest January (68 mm).

When is the best time to visit Arth?

For warmth and sunshine: July (15.9 °C on average, — h of sun). The coldest month is January (−2.2 °C). Check the 15-day forecast above for your dates.

meteo-ch.ch Search a municipality…

Home › Schwyz › Arth

Weather in Arth

Schwyz, 1060 m · continuously updated

–^°C

– –

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

Temperature · last 4 and next 28 hours

Arth weather: the next 24 hours

Updated hourly.

Arth weather hour by hour (48 h)

Arth 15-day forecast

Two-week trend.

Arth weekend weather Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

–

Air quality

–

European index, measured continuously.

UV index

–

Daily maximum — protection advised from 3.

Freezing level

–

Snow settles about 300 m below it.

Around Arth

Neighbouring municipalities, as the crow flies.

Walchwil2 km Steinerberg5 km Unterägeri5 km Oberägeri7 km Gersau7 km Meierskappel7 km Greppen8 km Steinen8 km

7-day forecast for Arth

Today (Sunday 27 Sep) in Arth: mostly sunny, 13 to 21 °C, precipitation 0.0 mm (0 %), wind up to 8 km/h. Tomorrow: overcast, 15 to 22 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	13 °C	21 °C	0.0 mm	8 km/h
Tomorrow	overcast	15 °C	22 °C	0.0 mm	9 km/h
Tue 29 Sep	overcast	15 °C	22 °C	0.0 mm	8 km/h
Wed 30 Sep	overcast	17 °C	21 °C	0.0 mm	9 km/h
Thu 1 Oct	light rain	14 °C	16 °C	2.0 mm	4 km/h
Fri 2 Oct	fog	13 °C	15 °C	0.0 mm	7 km/h
Sat 3 Oct	overcast	13 °C	17 °C	0.0 mm	7 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 1060 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Arth

Sunday 27 Sep in Arth, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 13 °C around 07:00, high 21 °C around 16:00. No rainy hour.

Show the 24-hour table

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

Hourly forecast issued 27.09.2026 for Arth (1060 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Arth weather tomorrow

Tomorrow, Monday 28 Sep, in Arth: overcast, 15 to 22 °C, wind up to 9 km/h. No precipitation expected.

Arth weekend weather

This weekend in Arth: Saturday overcast, 13 to 17 °C; Sunday mostly sunny, 13 to 21 °C.

Will it rain in Arth this week?

Yes: 1 day with precipitation is expected in Arth over the next 7 days, 2.0 mm in total. Wettest day: Thursday 1 Oct (2.0 mm).

The best day to go out in Arth

The best day of the next 7 in Arth: Sunday 27 Sep, mostly sunny, up to 21 °C.

The last 7 days in Arth

From 20 Sep to 26 Sep: 13.2 °C on average, 1.8 °C above the September normal (11.4 °C), 0 mm of precipitation (7-day normal: 27 mm). Warmest day: saturday 26 Sep (20 °C); coolest night: friday 25 Sep (7 °C).

Day	Min	Max
Sun 20 Sep	11 °C	19 °C
Mon 21 Sep	10 °C	16 °C
Tue 22 Sep	8 °C	16 °C
Wed 23 Sep	8 °C	17 °C
Thu 24 Sep	10 °C	16 °C
Fri 25 Sep	7 °C	17 °C
Sat 26 Sep	12 °C	20 °C

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

Climate of Arth: 1991–2020 normals

In Arth (1060 m), the mean annual temperature is 6.7 °C. The warmest month is July (15.9 °C on average) and the coldest January (−2.2 °C). About 1366 mm of precipitation falls per year, peaking in August (170 mm) with a minimum in January (68 mm). On average there are 123 frost days and 1 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 28.4 °C and the absolute minimum −12.1 °C.

6.7 °CMean annual temperature

1366 mmPrecipitation per year

123Frost days per year

16Summer days (≥ 25 °C)

JFMAMJJASOND

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

Month	Mean T	Abs. max	Abs. min	Precip. (mm)	Frost days	Summer days
Jan	−2.2 °C	8.8 °C	−12.1 °C	68	27	0
Feb	−1.4 °C	10.5 °C	−11.8 °C	70	24	0
Mar	2.4 °C	15.6 °C	−8.4 °C	80	19	0
Apr	6.4 °C	19.9 °C	−4.7 °C	101	9	0
May	10.6 °C	24.1 °C	−0.2 °C	156	1	0
Jun	14.3 °C	27.6 °C	3.9 °C	162	0	4
Jul	15.9 °C	28.4 °C	6.3 °C	168	0	6
Aug	15.5 °C	27.8 °C	5.6 °C	170	0	6
Sep	11.4 °C	23.3 °C	1.7 °C	116	0	0
Oct	7.1 °C	19.1 °C	−2.5 °C	98	3	0
Nov	1.8 °C	13.5 °C	−7.5 °C	84	14	0
Dec	−1.4 °C	9.7 °C	−12.0 °C	92	25	0
Year	6.7 °C	28.4 °C	−12.1 °C	1366	123	16

Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (12 km, 443 m), Luzern (18 km, 454 m), Einsiedeln (18 km, 911 m), adjusted to the elevation of Arth (1060 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.