News Winterthur Zurich Switzerland August 17, 2025

Weather Forecast for Winterthur, Switzerland: August 17 - 19, 2025

Greetings, weather enthusiasts! As we look ahead to the upcoming days in Winterthur, Switzerland, we're seeing a mix of sun and clouds with temperatures rising, making for an inviting late summer forecast. Let’s dive into the details!

Day 1: Sunday, August 17, 2025

The day commences with a refreshing morning. Expect temperatures around 17°C (62°F) at dawn, with the humidity lingering around 95%. The skies will start clear, but fog is likely to develop as we move into the early morning, reducing visibility significantly. By breakfast time, temperatures will dip to 15°C (60°F), but don't worry—by midday, we'll warm up to a pleasant 21°C (70°F) under partly cloudy skies.

With a high of 23°C (73°F) expected, it will feel delightful outside for any outdoor activities. The UV index is moderate at 2, so a little sun protection might be needed, especially during peak hours. Expect little to no precipitation, maintaining the dry streak for Winterthur residents and visitors alike.

Day 2: Monday, August 18, 2025

Looks like we have a warm-up on the horizon! Morning fog may greet you with temperatures starting as low as 13°C (55°F). However, as the fog dissipates by midday, temperatures will soar to a high of 26°C (78°F), giving way to sunny intervals that’ll be ideal for a stroll in the park or a picnic. The day will bring plenty of sunshine, with an average temperature hovering around 18°C (65°F).

Humidity levels will also drop, making outdoor conditions much more enjoyable. Visibility will improve significantly as the fog clears, ensuring great views of Winterthur’s stunning landscapes. The UV index remains moderate at 2, so don’t forget those sunglasses!

Day 3: Tuesday, August 19, 2025

Tuesday promises to be the warmest day of the stretch, with maximum temperatures reaching up to 29°C (85°F). An increase in humidity is anticipated, making it feel slightly warmer. Morning you can expect mist with the temperature around 15°C (58°F) before we jump to a scorching 28°C (82°F) by lunch.

The sun will be shining brightly throughout the day, with little chance of rain. The UV index hits 6, indicating a higher level of sun exposure, so use appropriate sunblock if you plan to be outside during the afternoon.

For those curious about more detailed weather updates for Winterthur, you can check the next 5 days weather for a longer-term outlook or view the hour by hour weather to help plan your day flawlessly.

In summary, this coming weekend and early week in Winterthur will be marked by warm temperatures, clear skies, and very low precipitation. Perfect for enjoying the beautiful outdoors with friends or family! So grab your sunglasses, and enjoy the fantastic weather ahead!

Stay tuned for more updates, and remember to check back for any last-minute changes as the days progress!