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Weather Walenstadt

7-day forecast for Walenstadt

Today (Thursday 20 Aug) in Walenstadt: thunderstorms with hail, 20 to 26 °C, precipitation 38.7 mm (90 %), wind up to 20 km/h. Tomorrow: thunderstorms, 16 to 20 °C.

DayWeatherMinMaxPrecip.Wind
Todaythunderstorms with hail20 °C26 °C38.7 mm20 km/h
Tomorrowthunderstorms16 °C20 °C28.8 mm27 km/h
Sat 22 Augthunderstorms15 °C19 °C4.5 mm13 km/h
Sun 23 Augovercast14 °C23 °C0.0 mm7 km/h
Mon 24 Augovercast18 °C28 °C0.0 mm8 km/h
Tue 25 Augthunderstorms20 °C24 °C6.9 mm7 km/h
Wed 26 Augovercast20 °C30 °C0.0 mm10 km/h

Forecast updated on 20.08.2026 at 15:41 (Open-Meteo model, elevation 427 m). The interactive block at the top refreshes hourly and covers 16 days.

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About Walenstadt

Walenstadt is a Swiss municipality located in the canton of St. Gallen (SG), at 47.131° latitude and 9.253° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as Walenstadt, Walenstadt benefits from precise weather monitoring with hourly and 15-day forecasts.

427m 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 Walenstadt

The climate in Walenstadt is characteristic of the eastern Alps, alpine climate with snowy winters and cool summers. 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 Walenstadt and neighboring municipalities.

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

Climate of Walenstadt: 1991–2020 normals

In Walenstadt (427 m), the mean annual temperature is 10.1 °C. The warmest month is July (18.4 °C on average) and the coldest January (2.2 °C). About 1621 mm of precipitation falls per year, peaking in July (177 mm) with a minimum in April (103 mm). The sun shines for about 1313 hours a year, mostly in July (173 h). On average there are 99 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.3 °C and the absolute minimum −9.0 °C.

10.1 °CMean annual temperature
1621 mmPrecipitation per year
1313 hSunshine hours per year
99Frost days per year
42Summer 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
Jan2.2 °C13.1 °C−9.0 °C12961240
Feb2.5 °C14.5 °C−8.7 °C10970200
Mar5.5 °C17.5 °C−5.4 °C13094140
Apr9.0 °C21.0 °C−1.7 °C10313550
May13.1 °C25.4 °C2.9 °C14015304
Jun16.6 °C29.1 °C6.7 °C157162010
Jul18.4 °C30.3 °C9.1 °C177173014
Aug18.3 °C29.8 °C8.7 °C173161012
Sep14.6 °C25.6 °C5.1 °C13110702
Oct11.2 °C22.6 °C0.8 °C1118520
Nov6.3 °C18.7 °C−4.1 °C11459110
Dec3.1 °C14.2 °C−7.6 °C14553220
Year10.1 °C30.3 °C−9.0 °C162113139942

Source: MeteoSwiss open data (1991–2020 normals) — stations Säntis (15 km, 2501 m), Glarus (18 km, 517 m), Ebnat-Kappel (19 km, 623 m), adjusted to the elevation of Walenstadt (427 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.

Nearby cities

Check the weather of cities near Walenstadt:

Frequently asked questions about weather in Walenstadt

What is the weather in Walenstadt today?

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

What is the 15-day forecast for Walenstadt?

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

Will it rain tomorrow in Walenstadt?

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

What is the air quality in Walenstadt?

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

Are there weather alerts for Walenstadt?

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

At what altitude is Walenstadt located?

Walenstadt sits at around 427 m above sea level in the canton of St. Gallen. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Walenstadt?

The warmest month in Walenstadt is July, averaging 18.4 °C (1991–2020 normal). The coldest is January at 2.2 °C.

How much does it rain in Walenstadt per year?

Walenstadt receives about 1621 mm of precipitation a year. The wettest month is July (177 mm), the driest April (103 mm).

When is the best time to visit Walenstadt?

For warmth and sunshine: July (18.4 °C on average, 173 h of sun). The coldest month is January (2.2 °C). Check the 15-day forecast above for your dates.