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
07:23
Sunrise
19:21
Sunset
Moon
Waxing Gibbous
17:38
Moonrise
01:57
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Kastellaun.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Kastellaun.
View stargazing scoreWeather in Kastellaun today, September 21, 2026
Expect a muted, overcast feel in Kastellaun on September 21, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
The day peaks near 17°C and cools toward 8°C. The air stays humid, with relative humidity between 52% and 78% and the peak around 23:00. Airflow remains manageable, reaching about 3.1 km/h around 17:00.
Afternoon skies stay clogged, peaking close to 100% near 16:00. The grey theme continues rather than clearing out. Visibility holds near 39.2 km, though it can fall to 36.9 km. Sunrise is at 07:23 and sunset at 19:21, giving 11 hours 58 minutes of sunlight today.
Taken together, overcast skies in Kastellaun on September 21, 2026 favour indoor or covered options, with temperatures near 17°C.
Explore more weather forecasts
- Boppard, Rheinland-Pfalz
- Berlin, Land Berlin
- Lahnstein, Rheinland-Pfalz
- Hamburg, Free and Hanseatic City of Hamburg
- Mayen, Rheinland-Pfalz
- Munich, Bavaria
- Koblenz, Rheinland-Pfalz
- Köln, Nordrhein-Westfalen
- Bingen am Rhein, Rheinland-Pfalz
- Frankfurt am Main, Hessen
- Mülheim-Kärlich, Rheinland-Pfalz
- Stuttgart, Baden-Württemberg
- Bad Kreuznach, Rheinland-Pfalz
- Düsseldorf, Nordrhein-Westfalen
- Wittlich, Rheinland-Pfalz
- Essen, Nordrhein-Westfalen