What is the weather in Bünzen today?

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

What is the 15-day forecast for Bünzen?

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

Will it rain tomorrow in Bünzen?

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

What is the air quality in Bünzen?

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

Are there weather alerts for Bünzen?

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

At what altitude is Bünzen located?

Bünzen sits at around 442 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Bünzen?

The warmest month in Bünzen is July, averaging 19.3 °C (1991–2020 normal). The coldest is January at 1.2 °C.

How much does it rain in Bünzen per year?

Bünzen receives about 1022 mm of precipitation a year. The wettest month is July (122 mm), the driest February (52 mm).

When is the best time to visit Bünzen?

For warmth and sunshine: July (19.3 °C on average, 236 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.

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Home › Aargau › Bünzen

Weather in Bünzen

Aargau, 442 m · continuously updated

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

Temperature · last 4 and next 28 hours

Bünzen weather: the next 24 hours

Updated hourly.

Bünzen weather hour by hour (48 h)

Bünzen 15-day forecast

Two-week trend.

Bünzen 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 Bünzen

Neighbouring municipalities, as the crow flies.

Besenbüren1 km Boswil2 km Kallern3 km Waltenschwil3 km Rottenschwil3 km Uezwil4 km Zufikon4 km Aristau4 km

7-day forecast for Bünzen

Today (Sunday 27 Sep) in Bünzen: mostly sunny, 11 to 26 °C, precipitation 0.0 mm (0 %), wind up to 8 km/h. Tomorrow: partly cloudy, 13 to 27 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	11 °C	26 °C	0.0 mm	8 km/h
Tomorrow	partly cloudy	13 °C	27 °C	0.0 mm	8 km/h
Tue 29 Sep	overcast	13 °C	26 °C	0.0 mm	5 km/h
Wed 30 Sep	overcast	16 °C	24 °C	0.0 mm	6 km/h
Thu 1 Oct	light rain	14 °C	18 °C	2.7 mm	5 km/h
Fri 2 Oct	fog	13 °C	20 °C	0.0 mm	8 km/h
Sat 3 Oct	fog	14 °C	21 °C	0.0 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 442 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Bünzen

Sunday 27 Sep in Bünzen, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 11 °C around 08:00, high 26 °C around 15:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	16 °C	3 km/h
01:00	sunny	16 °C	1 km/h
02:00	sunny	14 °C	1 km/h
03:00	sunny	14 °C	1 km/h
04:00	sunny	12 °C	3 km/h
05:00	sunny	13 °C	1 km/h
06:00	sunny	12 °C	1 km/h
07:00	sunny	12 °C	2 km/h
08:00	sunny	11 °C	2 km/h
09:00	sunny	12 °C	1 km/h
10:00	sunny	15 °C	2 km/h
11:00	sunny	18 °C	2 km/h
12:00	sunny	21 °C	2 km/h
13:00	sunny	23 °C	1 km/h
14:00	sunny	25 °C	1 km/h
15:00	sunny	26 °C	3 km/h
16:00	sunny	26 °C	8 km/h
17:00	sunny	25 °C	9 km/h
18:00	sunny	24 °C	8 km/h
19:00	sunny	21 °C	6 km/h
20:00	sunny	19 °C	7 km/h
21:00	sunny	18 °C	4 km/h
22:00	sunny	17 °C	4 km/h
23:00	mostly sunny	17 °C	3 km/h

Hourly forecast issued 27.09.2026 for Bünzen (442 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Bünzen weather tomorrow

Tomorrow, Monday 28 Sep, in Bünzen: partly cloudy, 13 to 27 °C, wind up to 8 km/h. No precipitation expected.

Bünzen weekend weather

This weekend in Bünzen: Saturday fog, 14 to 21 °C; Sunday mostly sunny, 11 to 26 °C.

Will it rain in Bünzen this week?

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

The best day to go out in Bünzen

The best day of the next 7 in Bünzen: Sunday 27 Sep, mostly sunny, up to 26 °C.

The last 7 days in Bünzen

From 20 Sep to 26 Sep: 15.7 °C on average, in line with the September normal (14.7 °C), 0 mm of precipitation (7-day normal: 19 mm). Warmest day: sunday 20 Sep (25 °C); coolest night: thursday 24 Sep (7 °C).

Day	Min	Max
Sun 20 Sep	12 °C	25 °C
Mon 21 Sep	14 °C	21 °C
Tue 22 Sep	8 °C	20 °C
Wed 23 Sep	7 °C	21 °C
Thu 24 Sep	7 °C	22 °C
Fri 25 Sep	8 °C	22 °C
Sat 26 Sep	9 °C	25 °C

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

Climate of Bünzen: 1991–2020 normals

In Bünzen (442 m), the mean annual temperature is 10.1 °C. The warmest month is July (19.3 °C on average) and the coldest January (1.2 °C). About 1022 mm of precipitation falls per year, peaking in July (122 mm) with a minimum in February (52 mm). The sun shines for about 1643 hours a year, mostly in July (236 h). On average there are 81 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.7 °C and the absolute minimum −8.4 °C.

10.1 °CMean annual temperature

1022 mmPrecipitation per year

1643 hSunshine hours per year

81Frost days per year

52Summer 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	1.2 °C	11.4 °C	−8.4 °C	55	49	20	0
Feb	2.0 °C	13.4 °C	−7.9 °C	52	79	18	0
Mar	5.9 °C	18.6 °C	−4.4 °C	58	137	12	0
Apr	9.8 °C	23.1 °C	−1.2 °C	76	176	3	1
May	13.9 °C	27.2 °C	3.3 °C	119	194	0	4
Jun	17.6 °C	30.7 °C	7.3 °C	118	215	0	12
Jul	19.3 °C	31.7 °C	9.7 °C	122	236	0	16
Aug	19.0 °C	31.1 °C	9.1 °C	121	217	0	15
Sep	14.7 °C	26.4 °C	5.2 °C	83	158	0	4
Oct	10.3 °C	21.8 °C	0.9 °C	78	93	1	0
Nov	5.2 °C	16.2 °C	−3.6 °C	66	50	8	0
Dec	2.0 °C	12.2 °C	−7.9 °C	74	39	18	0
Year	10.1 °C	31.7 °C	−8.4 °C	1022	1643	81	52

Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (18 km, 443 m), Zürich / Affoltern (19 km, 444 m), Lägern (19 km, 845 m), adjusted to the elevation of Bünzen (442 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.