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Hourly Forecast
Daylight Hours
06:57
Sunrise
19:09
Sunset
Moon
Waxing Crescent
12:43
Moonrise
21:20
Moonset
Daily Forecast
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Weather in Reston today, September 16, 2026
Expect a mostly clear day in Reston on September 16, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The opening hours look fair, as cloud stays near 2% around 10:00. Morning errands should face fewer weather interruptions.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 31°C. Moisture in the air spans 37%-70%, with the highest values around 10:00. Airflow remains manageable, reaching about 3.1 km/h around 18:00.
Through the afternoon skies look more workable, with cloud near 0% around 12:00. Later outdoor plans have a clearer window than the morning may have suggested. Horizontal visibility holds close to 16.1 km. Expect sunrise at 06:57, sunset at 19:09, and 12 hours 11 minutes of sunlight today overall.
Overall, Reston on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 31°C.
Frequently asked questions about weather in Reston
How warm does it get in Reston?
The warmest month in Reston 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 Reston?
The coldest month in Reston 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 Reston?
The wettest month in Reston is July, with an average of 146mm of precipitation.
What is the driest time of year in Reston?
The driest month in Reston is November, with an average of 73mm of precipitation.
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