Aarau

Bezirk Aarau, Kanton Aargau, Switzerland

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Current Weather

8°

Mostly Cloudy

Feels Like: 8°

Min: 8°

Max: 21°

The next few hours will be mostly cloudy, with today reaching 21°C and dropping to 8°C. The coming days will be foggy in the morning.

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Hourly Forecast

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Today
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Daylight Hours

07:26

Sunrise

19:10

Sunset

11 hours 44 minutes of sunlight today

Moon

Waxing Gibbous

18:41

Moonrise

05:42

Moonset

Daily Forecast

Today

8°
21°

Saturday

8°
26°

Sunday

8°
26°

Monday

10°
27°

Tuesday

11°
26°

Wednesday

13°
27°

Thursday

15°
26°

Friday

12°
17°

Saturday

10°
20°

Sunday

10°
22°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

96% Very Humid
Low High

Current stargazing conditions?

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Weather in Aarau today, September 25, 2026

Expect a mostly clear day in Aarau on September 25, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The morning sky stays heavily clouded, with cover near 78% around 06:00. Grey conditions set the early tone before any later change.

Expect highs of 21°C and cooler readings close to 8°C. Moisture in the air spans 43%-97%, with the highest values around 07:00. A lighter breeze peaks around 11:00 near 1.3 km/h.

Through the afternoon skies look more workable, with cloud near 41% around 23:00. Later outdoor plans have a clearer window than the morning may have suggested. Visibility stays generally good near 34.0 km on average, though it can drop toward 8.2 km in thicker cloud or showers. Sunrise is at 07:26 and sunset at 19:10, giving 11 hours 44 minutes of sunlight today.

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

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Metric (°C, km/h)