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10°
Partly Cloudy
Feels Like: 9°
Min: 10°
Max: 23°
The next few hours will be mostly clear, with today reaching 23°C and dropping to 12°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:27
Sunrise
19:11
Sunset
Moon
Waxing Gibbous
18:41
Moonrise
05:43
Moonset
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View stargazing scoreWeather in Olten today, September 25, 2026
Olten is set for a fine, sunny day on September 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The opening hours look fair, as cloud stays near 58% around 08:00. Morning errands should face fewer weather interruptions.
Temperatures climb from an overnight low near 10°C toward a daytime high of about 23°C. Moisture in the air spans 42%-90%, with the highest values around 07:00. A lighter breeze peaks around 07:00 near 1.4 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 93% around 16:00. Outdoor plans may still want a flexible backup. Expect visibility near 37.5 km, with poorer spells close to 24.8 km. Daylight runs from 07:27 to 19:11, lasting 11 hours 44 minutes of sunlight today.
The practical takeaway for Olten is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 23°C.
Frequently asked questions about weather in Olten
How warm does it get in Olten?
The warmest month in Olten 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 Olten?
The coldest month in Olten 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 Olten?
The wettest month in Olten is May, with an average of 163mm of precipitation.
What is the driest time of year in Olten?
The driest month in Olten is February, with an average of 78mm of precipitation.