Altendorf

Bezirk March, Kanton Schwyz, Switzerland

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Current Weather

13°

Partly Cloudy

Feels Like: 9°

Min: 12°

Max: 21°

The next few hours will be clear, with today reaching 21°C and dropping to 15°C. The coming days will be drizzle

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Hourly Forecast

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Daylight Hours

07:23

Sunrise

19:07

Sunset

11 hours 44 minutes of sunlight today

Moon

Waxing Gibbous

18:37

Moonrise

05:39

Moonset

Daily Forecast

Today

12°
21°

Saturday

15°
25°

Sunday

15°
26°

Monday

17°
27°

Tuesday

16°
26°

Wednesday

16°
27°

Thursday

17°
25°

Friday

15°
19°

Saturday

12°
19°

Sunday

13°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

89% Humid
Low High

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Weather in Altendorf today, September 25, 2026

Altendorf starts September 25, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a grey start, with morning cloud around 100% by 07:00. Outdoor plans early on should not rely on bright skies.

Expect highs of 21°C and cooler readings close to 12°C. Moisture in the air spans 51%-89%, with the highest values around 06:00. A lighter breeze peaks around 22:00 near 1.7 km/h.

Expect a more open afternoon, with limited cloud around 22% by 17:00. Residual damp risk should be lower than earlier. Visibility stays generally good near 35.1 km on average, though it can drop toward 24.9 km in thicker cloud or showers. The sun rises at 07:23 and sets at 19:07, for a total of 11 hours 44 minutes of sunlight today.

In short, September 25, 2026 looks like a fine day in Altendorf for being outside, peaking around 21°C.

Frequently asked questions about weather in Altendorf

How warm does it get in Altendorf?

The warmest month in Altendorf is July, with average high temperatures of 23°C. The average temperature during this period is around 18°C.

How cold does it get in Altendorf?

The coldest month in Altendorf is January, with average low temperatures of -2°C. The average temperature during this period is around 0°C.

What is the wettest time of year in Altendorf?

The wettest month in Altendorf is May, with an average of 173mm of precipitation.

What is the driest time of year in Altendorf?

The driest month in Altendorf is February, with an average of 90mm of precipitation.

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Metric (°C, km/h)