See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:25
Sunrise
19:20
Sunset
Moon
Waxing Gibbous
17:49
Moonrise
02:11
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Lyss.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Lyss.
View stargazing scoreWeather in Lyss today, September 22, 2026
Lyss starts September 22, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
Temperatures climb from an overnight low near 10°C toward a daytime high of about 21°C. Expect humidity between 31% and 56%, most humid near 23:00. Airflow remains manageable, reaching about 5.7 km/h around 15:00.
Afternoon conditions open up, holding cloud close to 9% near 17:00. The day finishes on a milder, brighter note. Expect visibility near 44.2 km, with poorer spells close to 41.4 km. Daylight runs from 07:25 to 19:20, lasting 11 hours 54 minutes of sunlight today.
In short, September 22, 2026 looks like a fine day in Lyss for being outside, peaking around 21°C.
Frequently asked questions about weather in Lyss
How warm does it get in Lyss?
The warmest month in Lyss is July, with average high temperatures of 25°C. The average temperature during this period is around 19°C.
How cold does it get in Lyss?
The coldest month in Lyss is January, with average low temperatures of -1°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Lyss?
The wettest month in Lyss is May, with an average of 137mm of precipitation.
What is the driest time of year in Lyss?
The driest month in Lyss is February, with an average of 74mm of precipitation.
Explore more weather forecasts
- Biel/Bienne, Canton de Berne
- Zürich, Kanton Zürich
- Bern, Canton de Berne
- Genève, Canton de Genève
- Köniz, Canton de Berne
- Basel, Kanton Basel-Stadt
- Muri, Canton de Berne
- Lausanne, Canton de Vaud
- Burgdorf, Canton de Berne
- Worb, Canton de Berne
- Winterthur, Kanton Zürich
- Münsingen, Canton de Berne
- Luzern, Kanton Luzern
- Langenthal, Canton de Berne
- Sankt Gallen, Kanton St. Gallen
