What is the weather in Kölliken today?

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

What is the 15-day forecast for Kölliken?

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

Will it rain tomorrow in Kölliken?

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

What is the air quality in Kölliken?

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

Are there weather alerts for Kölliken?

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

At what altitude is Kölliken located?

Kölliken sits at around 435 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 Kölliken?

The warmest month in Kölliken is July, averaging 19.1 °C (1991–2020 normal). The coldest is January at 1.1 °C.

How much does it rain in Kölliken per year?

Kölliken receives about 994 mm of precipitation a year. The wettest month is August (108 mm), the driest February (57 mm).

When is the best time to visit Kölliken?

For warmth and sunshine: July (19.1 °C on average, 227 h of sun). The coldest month is January (1.1 °C). Check the 15-day forecast above for your dates.

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Home › Aargau › Kölliken

Weather in Kölliken

Aargau, 435 m · continuously updated

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

Temperature · last 4 and next 28 hours

Kölliken weather: the next 24 hours

Updated hourly.

Kölliken weather hour by hour (48 h)

Kölliken 15-day forecast

Two-week trend.

Kölliken 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 Kölliken

Neighbouring municipalities, as the crow flies.

Holziken1 km Bottenwil2 km Safenwil3 km Uerkheim3 km Schöftland3 km Hirschthal4 km Staffelbach4 km Muhen4 km

7-day forecast for Kölliken

Today (Sunday 27 Sep) in Kölliken: fog, 7 to 27 °C, precipitation 0.0 mm (0 %), wind up to 8 km/h. Tomorrow: overcast, 12 to 27 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	fog	7 °C	27 °C	0.0 mm	8 km/h
Tomorrow	overcast	12 °C	27 °C	0.0 mm	6 km/h
Tue 29 Sep	overcast	10 °C	26 °C	0.1 mm	6 km/h
Wed 30 Sep	overcast	15 °C	23 °C	0.3 mm	5 km/h
Thu 1 Oct	light rain	15 °C	18 °C	6.2 mm	7 km/h
Fri 2 Oct	fog	14 °C	20 °C	0.0 mm	6 km/h
Sat 3 Oct	overcast	14 °C	22 °C	0.0 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 435 m). The interactive block at the top refreshes hourly and covers 16 days.

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

Hourly weather in Kölliken

Sunday 27 Sep in Kölliken, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 8 °C around 07:00, high 27 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	13 °C	5 km/h
01:00	sunny	12 °C	4 km/h
02:00	sunny	13 °C	3 km/h
03:00	sunny	12 °C	4 km/h
04:00	sunny	11 °C	5 km/h
05:00	sunny	10 °C	4 km/h
06:00	sunny	9 °C	5 km/h
07:00	sunny	8 °C	5 km/h
08:00	sunny	8 °C	4 km/h
09:00	sunny	11 °C	2 km/h
10:00	sunny	16 °C	1 km/h
11:00	sunny	19 °C	1 km/h
12:00	sunny	22 °C	4 km/h
13:00	sunny	24 °C	6 km/h
14:00	sunny	26 °C	8 km/h
15:00	sunny	27 °C	9 km/h
16:00	sunny	27 °C	8 km/h
17:00	sunny	27 °C	7 km/h
18:00	sunny	26 °C	3 km/h
19:00	sunny	24 °C	4 km/h
20:00	sunny	17 °C	6 km/h
21:00	sunny	15 °C	6 km/h
22:00	partly cloudy	15 °C	6 km/h
23:00	mostly sunny	14 °C	5 km/h

Hourly forecast issued 27.09.2026 for Kölliken (435 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Kölliken weather tomorrow

Tomorrow, Monday 28 Sep, in Kölliken: overcast, 12 to 27 °C, wind up to 6 km/h. No precipitation expected.

Kölliken weekend weather

This weekend in Kölliken: Saturday overcast, 14 to 22 °C; Sunday fog, 7 to 27 °C.

Will it rain in Kölliken this week?

Yes: 1 day with precipitation is expected in Kölliken over the next 7 days, 6.6 mm in total. Wettest day: Thursday 1 Oct (6.2 mm).

The best day to go out in Kölliken

The best day of the next 7 in Kölliken: Monday 28 Sep, overcast, up to 27 °C.

The last 7 days in Kölliken

From 20 Sep to 26 Sep: 15.1 °C on average, in line with the September normal (14.4 °C), 0 mm of precipitation (7-day normal: 18 mm). Warmest day: saturday 26 Sep (26 °C); coolest night: wednesday 23 Sep (6 °C).

Day	Min	Max
Sun 20 Sep	9 °C	25 °C
Mon 21 Sep	11 °C	21 °C
Tue 22 Sep	6 °C	21 °C
Wed 23 Sep	6 °C	22 °C
Thu 24 Sep	8 °C	21 °C
Fri 25 Sep	8 °C	22 °C
Sat 26 Sep	7 °C	26 °C

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

Climate of Kölliken: 1991–2020 normals

In Kölliken (435 m), the mean annual temperature is 9.8 °C. The warmest month is July (19.1 °C on average) and the coldest January (1.1 °C). About 994 mm of precipitation falls per year, peaking in August (108 mm) with a minimum in February (57 mm). The sun shines for about 1581 hours a year, mostly in July (227 h). On average there are 77 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.7 °C and the absolute minimum −8.6 °C.

9.8 °CMean annual temperature

994 mmPrecipitation per year

1581 hSunshine hours per year

77Frost days per year

51Summer 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	1.1 °C	11.3 °C	−8.6 °C	67	46	19	0
Feb	1.8 °C	13.5 °C	−8.0 °C	57	77	18	0
Mar	5.7 °C	18.9 °C	−4.8 °C	66	134	11	0
Apr	9.6 °C	23.5 °C	−1.4 °C	72	169	3	1
May	13.7 °C	27.4 °C	2.7 °C	104	184	0	4
Jun	17.3 °C	31.1 °C	6.6 °C	99	207	0	11
Jul	19.1 °C	32.7 °C	9.1 °C	108	227	0	16
Aug	18.6 °C	31.5 °C	8.6 °C	108	209	0	15
Sep	14.4 °C	26.5 °C	4.6 °C	76	153	0	4
Oct	10.0 °C	21.5 °C	0.6 °C	78	90	1	0
Nov	4.9 °C	15.3 °C	−3.7 °C	74	48	8	0
Dec	1.8 °C	11.7 °C	−7.2 °C	85	37	17	0
Year	9.8 °C	32.7 °C	−8.6 °C	994	1581	77	51

Source: MeteoSwiss open data (1991–2020 normals) — stations Gösgen (7 km, 380 m), Buchs / Aarau (9 km, 387 m), Rünenberg (17 km, 611 m), adjusted to the elevation of Kölliken (435 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.