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
06:53
Sunrise
19:19
Sunset
Moon
Waxing Crescent
12:34
Moonrise
20:02
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Roskilde.
Resources
UV Index
Humidity
Weather in Roskilde today, September 15, 2026
Roskilde looks damp on September 15, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning sky stays heavily clouded, with cover near 99% around 10:00. Grey conditions set the early tone before any later change.
The day peaks near 20°C and cools toward 10°C. The air stays humid, with relative humidity between 75% and 95% and the peak around 23:00. Airflow remains manageable, reaching about 5.4 km/h around 15:00.
Afternoon showers stay in play, peaking near 84% around 21:00. Skies remain cluttered, with cover about 100% by 18:00. Horizontal visibility sits around 25.3 km, briefly nearer 7.9 km. The sun rises at 06:53 and sets at 19:19, for a total of 12 hours 25 minutes of sunlight today.
The practical takeaway for Roskilde on September 15, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 20°C.
Frequently asked questions about weather in Roskilde
How warm does it get in Roskilde?
The warmest month in Roskilde is August, with average high temperatures of 21°C. The average temperature during this period is around 17°C.
How cold does it get in Roskilde?
The coldest month in Roskilde is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Roskilde?
The wettest month in Roskilde is July, with an average of 87mm of precipitation.
What is the driest time of year in Roskilde?
The driest month in Roskilde is November, with an average of 43mm of precipitation.
Explore more weather forecasts
- Jyllinge, Region Sjælland
- Copenhagen, Region Hovedstaden
- Greve, Region Sjælland
- Århus, Region Midtjylland
- Køge, Region Sjælland
- Odense, Region Syddanmark
- Holbæk, Region Sjælland
- Aalborg, North Denmark Region
- Ringsted, Region Sjælland
- Frederiksberg, Region Hovedstaden
- Haslev, Region Sjælland
- Esbjerg, Region Syddanmark
- Næstved, Region Sjælland
- Randers, Region Midtjylland
- Slagelse, Region Sjælland
- Kolding, Region Syddanmark
