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Weather in Altendorf

Schwyz, 757 m · continuously updated

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Temperature · last 4 and next 28 hours

Altendorf weather: the next 24 hours

Updated hourly.

Altendorf weather hour by hour (48 h)

Altendorf 15-day forecast

Two-week trend.

Altendorf weekend weatherRain 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 Altendorf

Neighbouring municipalities, as the crow flies.

7-day forecast for Altendorf

Today (Saturday 14 Nov) in Altendorf: fog, −2 to 7 °C, precipitation 0.0 mm (0 %), wind up to 8 km/h. Tomorrow: showers, 5 to 12 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayfog−2 °C7 °C0.0 mm8 km/h
Tomorrowshowers5 °C12 °C0.3 mm10 km/h
Mon 16 Novshowers6 °C9 °C8.2 mm26 km/h
Tue 17 Novlight rain7 °C13 °C5.3 mm17 km/h
Wed 18 Novshowers9 °C12 °C5.7 mm23 km/h
Thu 19 Novlight rain7 °C13 °C3.6 mm16 km/h
Fri 20 Novsnow1 °C7 °C11.2 mm17 km/h

Forecast updated on 14.11.2026 at 11:18 (Open-Meteo model, elevation 757 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Altendorf. Tomorrow: rain from 07:00 to 11:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Altendorf

Saturday 14 Nov in Altendorf, hour by hour: mostly sunny in the morning, sunny in the afternoon, mostly sunny in the evening. Low −2 °C around 03:00, high 7 °C around 14:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00mostly sunny−1 °C0.0 mm5 km/h
01:00mostly sunny−1 °C0.0 mm5 km/h
02:00fog−1 °C0.0 mm4 km/h
03:00mostly sunny−2 °C0.0 mm5 km/h
04:00mostly sunny−1 °C0.0 mm3 km/h
05:00mostly sunny−1 °C0.0 mm3 km/h
06:00mostly sunny−1 °C0.0 mm3 km/h
07:00mostly sunny−1 °C0.0 mm4 km/h
08:00mostly sunny−1 °C0.0 mm2 km/h
09:00mostly sunny0 °C0.0 mm2 km/h
10:00mostly sunny2 °C0.0 mm1 km/h
11:00partly cloudy4 °C0.0 mm1 km/h
12:00partly cloudy5 °C0.0 mm1 km/h
13:00mostly sunny6 °C0.0 mm2 km/h
14:00mostly sunny7 °C0.0 mm2 km/h
15:00sunny6 °C0.0 mm2 km/h
16:00sunny6 °C0.0 mm1 km/h
17:00sunny5 °C0.0 mm4 km/h
18:00mostly sunny5 °C0.0 mm5 km/h
19:00sunny5 °C0.0 mm4 km/h
20:00mostly sunny4 °C0.0 mm6 km/h
21:00overcast4 °C0.0 mm8 km/h
22:00overcast5 °C0.0 mm8 km/h
23:00overcast5 °C0.0 mm8 km/h

Hourly forecast issued 14.11.2026 for Altendorf (757 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Weather today in Altendorf

Today, Saturday 14 Nov in Altendorf: fog, −2 to 7 °C, wind up to 8 km/h. No precipitation expected. A day in line with the climate normal for November in Altendorf (3.7 °C average over 1991-2020).

Altendorf weather tomorrow

Tomorrow, Sunday 15 Nov, in Altendorf: showers, 5 to 12 °C, wind up to 10 km/h. Precipitation expected: 0.3 mm, 23 % probability.

What is the temperature in Altendorf?

Today in Altendorf (757 m): −2 to 7 °C. Tomorrow: 5 to 12 °C. Over the next 7 days, highs range from 7 to 13 °C, averaging 10 °C.

Altendorf weekend weather

This weekend in Altendorf: Saturday fog, −2 to 7 °C; Sunday showers, 5 to 12 °C.

Will it rain in Altendorf this week?

Yes: 5 days with precipitation are expected in Altendorf over the next 7 days, 34.3 mm in total. Wettest day: Friday 20 Nov (11.2 mm).

Will it snow in Altendorf?

Snowfall expected in Altendorf (757 m): Friday 20 Nov. Estimated total: 3.4 cm.

What is the UV index in Altendorf?

Today in Altendorf (757 m), the UV index peaks at 2 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.

The best day to go out in Altendorf

The best day of the next 7 in Altendorf: Saturday 14 Nov, fog, up to 7 °C.

Climate of Altendorf: 1991–2020 normals

In Altendorf (757 m), the mean annual temperature is 8.1 °C. The warmest month is July (17.1 °C on average) and the coldest January (−0.7 °C). About 1600 mm of precipitation falls per year, peaking in July (186 mm) with a minimum in January (94 mm). The sun shines for about 1596 hours a year, mostly in July (217 h). On average there are 114 frost days and 2 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.4 °C and the absolute minimum −13.1 °C.

8.1 °CMean annual temperature
1600 mmPrecipitation per year
1596 hSunshine hours per year
114Frost days per year
21Summer days (≥ 25 °C)
JFMAMJJASOND

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

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan−0.7 °C10.9 °C−13.1 °C9457260
Feb−0.2 °C12.2 °C−12.7 °C9482230
Mar3.5 °C16.5 °C−8.5 °C114130170
Apr7.6 °C21.0 °C−3.5 °C11017080
May11.7 °C25.0 °C1.4 °C16518611
Jun15.3 °C28.2 °C5.1 °C17620105
Jul17.1 °C29.4 °C7.6 °C18621708
Aug16.8 °C28.8 °C7.1 °C18520207
Sep12.8 °C24.4 °C3.0 °C13714601
Oct8.7 °C21.4 °C−1.1 °C11010130
Nov3.7 °C16.9 °C−6.9 °C10957130
Dec0.3 °C12.3 °C−11.3 °C12147240
Year8.1 °C29.4 °C−13.1 °C1600159611421

Altendorf climate month by month

January in Altendorf
−0.7 °C on average, 94 mm of rainfall and 57 h of sunshine. 26 frost days.
February in Altendorf
−0.2 °C on average, 94 mm of rainfall and 82 h of sunshine. 23 frost days.
March in Altendorf
3.5 °C on average, 114 mm of rainfall and 130 h of sunshine. 17 frost days.
April in Altendorf
7.6 °C on average, 110 mm of rainfall and 170 h of sunshine. 8 frost days. 0 summer days (≥ 25 °C).
May in Altendorf
11.7 °C on average, 165 mm of rainfall and 186 h of sunshine. 1 frost days. 1 summer days (≥ 25 °C).
June in Altendorf
15.3 °C on average, 176 mm of rainfall and 201 h of sunshine. 5 summer days (≥ 25 °C).
July in Altendorf
17.1 °C on average, 186 mm of rainfall and 217 h of sunshine. 8 summer days (≥ 25 °C).
August in Altendorf
16.8 °C on average, 185 mm of rainfall and 202 h of sunshine. 7 summer days (≥ 25 °C).
September in Altendorf
12.8 °C on average, 137 mm of rainfall and 146 h of sunshine. 0 frost days. 1 summer days (≥ 25 °C).
October in Altendorf
8.7 °C on average, 110 mm of rainfall and 101 h of sunshine. 3 frost days.
November in Altendorf
3.7 °C on average, 109 mm of rainfall and 57 h of sunshine. 13 frost days.
December in Altendorf
0.3 °C on average, 121 mm of rainfall and 47 h of sunshine. 24 frost days.

At what altitude is Altendorf located?

Altendorf sits at around 757 m above sea level in the canton of Schwyz. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.

What is the warmest month in Altendorf?

The warmest month in Altendorf is July, averaging 17.1 °C; the coldest is January, at −0.7 °C. The annual mean is 8.1 °C (MeteoSwiss 1991–2020 normals, reference station Einsiedeln).

How much does it rain in Altendorf per year?

Altendorf receives about 1600 mm of precipitation a year, or 133 mm a month on average. The wettest month is July (186 mm) and the driest January (94 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Altendorf have?

Altendorf averages 114 frost days a year, most of them in January (26 days). Conversely, 21 summer days exceed 25 °C, 2 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Altendorf get per year?

The sun shines for about 1596 hours a year in Altendorf. The sunniest month is July (217 h) and the least sunny December (47 h), according to the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Altendorf?

In Altendorf, the monthly mean rises from −0.7 °C in January to 17.1 °C in July: a 17.8 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −13.1 °C to 29.4 °C.

When is the best time to visit Altendorf?

For warmth and sunshine: July (17.1 °C on average, 217 h of sun). To avoid rain, January is the driest month (94 mm). The coldest month is January (−0.7 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Einsiedeln (5 km, 911 m), Wädenswil (14 km, 485 m), Glarus (22 km, 517 m), adjusted to the elevation of Altendorf (757 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.