Winterthur Weather: Tomorrow’s Forecast & 7-Day Trend

by mark.thompson business editor

Winterthur Braces for Chilly Week with Forecasted Snowfall

A period of low temperatures and intermittent cloud cover is expected in Winterthur, Switzerland, over the next seven days, with a high probability of snowfall. Residents should prepare for frosty conditions, particularly overnight, as temperatures dip below freezing.

The latest data, transmitted on December 27th, 2025, at 4:05 p.m. CET, indicates generally weak winds ranging from 3 to 22 km/h. While conditions will remain mostly dry, the forecast specifically calls for moderate snow on Friday, January 2nd, 2026.

Current Conditions and 7-Day Trend

Currently, daytime temperatures in Winterthur are reaching a high of 3°C, while the lowest recorded temperature is -1°C. Overnight lows are expected to plummet to -4°C. “It feels like” temperatures are even colder, with daytime highs feeling like 3°C and nighttime lows like -8°C. UV radiation levels are anticipated to remain low to normal throughout the period.

Weekend Outlook: Cloudy Saturday, Clear Sunday

The coming weekend will see a shift in conditions. Saturday, December 27th, 2025, is forecast to be cloudy with a temperature of around 1°C. Sunrise is expected at 8:12 a.m., with sunset at 4:39 p.m. Sunday, December 28th, 2025, promises clearer skies and a slightly warmer temperature of 2°C. The sun will rise at 8:12 a.m. and set at 4:40 p.m., offering a nearly cloudless day.

Detailed 7-Day Forecast (December 27th, 2025 – January 2nd, 2026)

Here’s a day-by-day breakdown of the expected weather in Winterthur:

  • Saturday, December 27th: Cloudy, 1°C
  • Sunday, December 28th: Clear skies, 2°C
  • Monday, December 29th: Clear skies, 3°C
  • Tuesday, December 30th: Mostly cloudy, 0°C
  • Wednesday, December 31st: A few clouds, -1°C
  • Thursday, January 1st: Moderately cloudy, 1°C
  • Friday, January 2nd: Moderate snow, 1°C

This forecast, generated using data from OpenWeather (TM), is updated daily and provides a crucial resource for residents planning activities or travel during this chilly period.

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