Winterthur Weather: Today & 7-Day Forecast

Winterthur Braces for Sub-Zero Temperatures and Snowfall This Week

A prolonged period of cold weather and occasional snowfall is forecast for Winterthur, Switzerland, over the next seven days, with temperatures expected to remain consistently low.Residents should prepare for frosty conditions, particularly overnight, as the region enters a chilly phase.

The forecast, updated December 24th, 2025, at 5:05 a.m. based on data from OpenWeather (TM), indicates a predominantly cloudy week with minimal wind. UV radiation levels are expected to remain low to normal throughout the period.

Current Conditions and Christmas Day Outlook

Today,December 24th,2025,Winterthur began with a temperature of 2°C,with a gradual decline expected throughout the day. Christmas Day, December 25th, dawned with a frigid -1°C, rising to a high of 1°C before dropping back to -2°C overnight.

Did you know? – Switzerland’s location in the Alps contributes to its varied climate, with notable temperature differences even within short distances. Winterthur, nestled in the foothills, experiences colder temperatures than lower-lying areas.

7-Day Temperature Trend

Looking ahead, the next seven days will see temperatures fluctuating between 3°C and 0°C. Nighttime temperatures will dip below freezing,with lows reaching -4°C and highs of -1°C. The “feels like” temperature is expected to be even colder, potentially reaching -5°C during the day and -7°C at night. Maximum “feels like” temperatures will hover around 3°C during the day and -2°C at night.

Daily Breakdown: December 24th – December 30th

Here’s a day-by-day forecast for Winterthur:

• Wednesday: Moderate snow, 0°C
• Thursday: Overcast, 1°C
• Friday: Overcast, 1°C
• Saturday: Cloudy, 3°C
• Sunday: Clear skies, 3°C
• Monday: Clear skies, 2°C
• Tuesday: A few clouds, 2°C

weekend Weather: Cloudy Saturday, Clear Sunday

The coming weekend in Winterthur promises cloudy conditions on saturday with temperatures around 3°C. Sunrise will occur around 8:12 a.m., with daylight lasting until 4:39 p.m. Sunday will bring clearer skies and a similar temperature of 3°C. The first rays of light will appear at 8:12 a.m., and sunset is expected at 4:40 p.m.

Pro tip – To prevent pipes from freezing, allow faucets to drip slightly during periods of extreme cold. This constant movement of water can definitely help avoid costly damage.

This forecast is generated in a data-driven manner and is subject to change. For further information on weather myths, severe weather warning levels, and weather singularities, resources are available online.

Why: A prolonged period of cold weather and occasional snowfall is forecast for Winterthur, switzerland.
Who: The forecast impacts residents of Winterthur, Switzerland.
What: Temperatures will fluctuate between 3°C and 0°C, with nighttime lows reaching -4°C. Moderate snow is expected on Wednesday.
How did it end?: The forecast covers the next seven days,from December 24th to December 30th,with a gradual shift from cloudy conditions to clearer skies by Sunday. The forecast is subject to change.