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Weather Lommiswil

7-day forecast for Lommiswil

Today (Thursday 20 Aug) in Lommiswil: thunderstorms with hail, 18 to 26 °C, precipitation 26.6 mm (83 %), wind up to 32 km/h. Tomorrow: thunderstorms, 14 to 18 °C.

DayWeatherMinMaxPrecip.Wind
Todaythunderstorms with hail18 °C26 °C26.6 mm32 km/h
Tomorrowthunderstorms14 °C18 °C22.3 mm10 km/h
Sat 22 Augshowers13 °C20 °C0.5 mm9 km/h
Sun 23 Augovercast11 °C22 °C0.0 mm15 km/h
Mon 24 Augovercast13 °C26 °C0.0 mm13 km/h
Tue 25 Augfog16 °C25 °C1.6 mm10 km/h
Wed 26 Augfog16 °C29 °C0.0 mm8 km/h

Forecast updated on 20.08.2026 at 15:41 (Open-Meteo model, elevation 623 m). The interactive block at the top refreshes hourly and covers 16 days.

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About Lommiswil

Lommiswil is a Swiss municipality located in the canton of Solothurn (SO), at 47.218° latitude and 7.484° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Lommiswil, Lommiswil benefits from precise weather monitoring with hourly and 15-day forecasts.

623m Elevation
Foothills Zone
Snow & altitude climate In the foothills snow lies for a few weeks each winter and inversion fog is common in the valley bottoms.

Climate of Lommiswil

The climate in Lommiswil 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 Lommiswil and neighboring municipalities.

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

Climate of Lommiswil: 1991–2020 normals

In Lommiswil (623 m), the mean annual temperature is 8.7 °C. The warmest month is July (18.1 °C on average) and the coldest January (−0.3 °C). About 1022 mm of precipitation falls per year, peaking in August (113 mm) with a minimum in February (57 mm). The sun shines for about 1595 hours a year, mostly in July (237 h). On average there are 91 frost days and 13 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.6 °C and the absolute minimum −11.5 °C.

8.7 °CMean annual temperature
1022 mmPrecipitation per year
1595 hSunshine hours per year
91Frost days per year
53Summer 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
Jan−0.3 °C9.8 °C−11.5 °C6460210
Feb0.6 °C12.3 °C−10.4 °C5783200
Mar4.4 °C18.2 °C−7.1 °C62133150
Apr8.4 °C22.4 °C−3.5 °C7615951
May12.6 °C26.5 °C0.8 °C10616804
Jun16.3 °C30.0 °C4.5 °C106191012
Jul18.1 °C31.6 °C7.1 °C108237017
Aug17.6 °C30.8 °C6.3 °C113213015
Sep13.4 °C25.5 °C2.5 °C8414404
Oct8.9 °C20.3 °C−1.6 °C8510020
Nov3.7 °C14.2 °C−6.3 °C7857100
Dec0.5 °C10.4 °C−10.0 °C8350180
Year8.7 °C31.6 °C−11.5 °C102215959153

Source: MeteoSwiss open data (1991–2020 normals) — stations Grenchen (7 km, 428 m), Koppigen (14 km, 485 m), Delémont (18 km, 439 m), adjusted to the elevation of Lommiswil (623 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.

Nearby cities

Check the weather of cities near Lommiswil:

Frequently asked questions about weather in Lommiswil

What is the weather in Lommiswil today?

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

What is the 15-day forecast for Lommiswil?

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

Will it rain tomorrow in Lommiswil?

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

What is the air quality in Lommiswil?

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

Are there weather alerts for Lommiswil?

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

At what altitude is Lommiswil located?

Lommiswil sits at around 623 m above sea level in the canton of Solothurn. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Lommiswil?

The warmest month in Lommiswil is July, averaging 18.1 °C (1991–2020 normal). The coldest is January at −0.3 °C.

How much does it rain in Lommiswil per year?

Lommiswil receives about 1022 mm of precipitation a year. The wettest month is August (113 mm), the driest February (57 mm).

When is the best time to visit Lommiswil?

For warmth and sunshine: July (18.1 °C on average, 237 h of sun). The coldest month is January (−0.3 °C). Check the 15-day forecast above for your dates.