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Weather Herznach-Ueken

7-day forecast for Herznach-Ueken

Today (Thursday 20 Aug) in Herznach-Ueken: thunderstorms with hail, 20 to 26 °C, precipitation 6.0 mm (85 %), wind up to 19 km/h. Tomorrow: showers, 16 to 20 °C.

DayWeatherMinMaxPrecip.Wind
Todaythunderstorms with hail20 °C26 °C6.0 mm19 km/h
Tomorrowshowers16 °C20 °C11.6 mm13 km/h
Sat 22 Augovercast12 °C23 °C0.0 mm14 km/h
Sun 23 Augpartly cloudy12 °C25 °C0.0 mm11 km/h
Mon 24 Augovercast14 °C27 °C0.0 mm13 km/h
Tue 25 Augshowers17 °C26 °C3.6 mm6 km/h
Wed 26 Augovercast16 °C31 °C0.0 mm9 km/h

Forecast updated on 20.08.2026 at 15:41 (Open-Meteo model, elevation 428 m). The interactive block at the top refreshes hourly and covers 16 days.

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About Herznach-Ueken

Herznach-Ueken is a Swiss municipality located in the canton of Aargau (AG), at 47.472° latitude and 8.048° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Herznach-Ueken, Herznach-Ueken benefits from precise weather monitoring with hourly and 15-day forecasts.

428m Elevation
Lowland Zone
Snow & altitude climate In the lowlands winters are mild to cool with little lasting snow, sometimes persistent fog in autumn and winter.

Climate of Herznach-Ueken

The climate in Herznach-Ueken is characteristic of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Herznach-Ueken and neighboring municipalities.

On this page you will find the detailed weather forecast for Herznach-Ueken: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.

Climate of Herznach-Ueken: 1991–2020 normals

In Herznach-Ueken (428 m), the mean annual temperature is 10.0 °C. The warmest month is July (19.3 °C on average) and the coldest January (1.3 °C). About 979 mm of precipitation falls per year, peaking in August (106 mm) with a minimum in February (55 mm). The sun shines for about 1604 hours a year, mostly in July (228 h). On average there are 76 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.6 °C and the absolute minimum −8.5 °C.

10.0 °CMean annual temperature
979 mmPrecipitation per year
1604 hSunshine hours per year
76Frost days per year
48Summer 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
Jan1.3 °C11.7 °C−8.5 °C6450190
Feb2.0 °C13.7 °C−7.9 °C5579170
Mar5.9 °C18.9 °C−4.5 °C64135110
Apr9.8 °C23.5 °C−1.2 °C7117030
May13.8 °C27.5 °C3.0 °C10518504
Jun17.5 °C31.1 °C6.9 °C98208010
Jul19.3 °C32.6 °C9.4 °C106228016
Aug18.8 °C31.6 °C8.7 °C106211014
Sep14.6 °C26.5 °C4.9 °C7615404
Oct10.2 °C21.6 °C0.7 °C779310
Nov5.1 °C15.7 °C−3.4 °C735180
Dec2.1 °C12.1 °C−7.2 °C8240170
Year10.0 °C32.6 °C−8.5 °C97916047648

Source: MeteoSwiss open data (1991–2020 normals) — stations Buchs / Aarau (10 km, 387 m), Gösgen (13 km, 380 m), Rünenberg (13 km, 611 m), adjusted to the elevation of Herznach-Ueken (428 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.

Nearby cities

Check the weather of cities near Herznach-Ueken:

Frequently asked questions about weather in Herznach-Ueken

What is the weather in Herznach-Ueken today?

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

What is the 15-day forecast for Herznach-Ueken?

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

Will it rain tomorrow in Herznach-Ueken?

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

What is the air quality in Herznach-Ueken?

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

Are there weather alerts for Herznach-Ueken?

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

At what altitude is Herznach-Ueken located?

Herznach-Ueken sits at around 428 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 Herznach-Ueken?

The warmest month in Herznach-Ueken is July, averaging 19.3 °C (1991–2020 normal). The coldest is January at 1.3 °C.

How much does it rain in Herznach-Ueken per year?

Herznach-Ueken receives about 979 mm of precipitation a year. The wettest month is August (106 mm), the driest February (55 mm).

When is the best time to visit Herznach-Ueken?

For warmth and sunshine: July (19.3 °C on average, 228 h of sun). The coldest month is January (1.3 °C). Check the 15-day forecast above for your dates.