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
07:34
Sunrise
19:17
Sunset
Moon
Waxing Gibbous
18:49
Moonrise
05:48
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Grund.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Grund.
View stargazing scoreWeather in Grund today, September 25, 2026
Grund 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. Expect a grey start, with morning cloud around 95% by 11:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 23°C and cooler readings close to 8°C. Relative humidity sits between 28% and 73%, reaching its peak around 08:00. Expect gentle winds, highest near 12:00 at 1.8 km/h.
Expect a more open afternoon, with limited cloud around 30% by 12:00. Residual damp risk should be lower than earlier. Expect visibility near 43.5 km, with poorer spells close to 39.0 km. Expect sunrise at 07:34, sunset at 19:17, and 11 hours 42 minutes of sunlight today overall.
Overall, Grund on September 25, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 23°C.
Frequently asked questions about weather in Grund
How warm does it get in Grund?
The warmest month in Grund is August, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in Grund?
The coldest month in Grund is January, with average low temperatures of 0°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Grund?
The wettest month in Grund is January, with an average of 91mm of precipitation.
What is the driest time of year in Grund?
The driest month in Grund is August, with an average of 55mm of precipitation.