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
06:57
Sunrise
19:11
Sunset
Moon
Waxing Crescent
11:40
Moonrise
20:49
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 South Riding.
Resources
UV Index
Humidity
Weather in South Riding today, September 15, 2026
South Riding starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a brighter morning, with limited cloud around 0% by 05:00. Conditions start on a settled note.
The temperature range runs from about 12°C up to 26°C. Expect humidity between 30% and 84%, most humid near 07:00. A lighter breeze peaks around 05:00 near 3.0 km/h.
Later hours favour clearer intervals, as cloud stays near 4% around 23:00. The afternoon is the better half for outdoor time. Views remain open at about 16.1 km. The sun rises at 06:57 and sets at 19:11, for a total of 12 hours 14 minutes of sunlight today.
Overall, South Riding on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 26°C.
Frequently asked questions about weather in South Riding
How warm does it get in South Riding?
The warmest month in South Riding is July, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in South Riding?
The coldest month in South Riding is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in South Riding?
The wettest month in South Riding is July, with an average of 131mm of precipitation.
What is the driest time of year in South Riding?
The driest month in South Riding is November, with an average of 73mm of precipitation.
Explore more weather forecasts
- Chantilly, Virginia
- New York City, New York
- Oak Hill, Virginia
- Los Angeles, California
- Broadlands, Virginia
- Brooklyn, New York
- Centreville, Virginia
- Chicago, Illinois
- Sterling, Virginia
- Houston, Texas
- Herndon, Virginia
- Queens, New York
- Ashburn, Virginia
- Phoenix, Arizona
- Sudley, Virginia
- Philadelphia, Pennsylvania
