Currently: 19 °C. Scattered clouds. (Weather station: Washington-Dulles International Airport, USA). See more current weather
Annual Weather Averages Near Reston
Averages are for Washington-Dulles International Airport, which is 9 kilometers from Reston.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Reston
High Temp: 31 °C
Low Temp: -4 °C
Mean Temp: 13 °C
Precipitation: 92.7 mm
Humidity: 66%
Dew Point: 7 °C
Wind: 17 km/h
Pressure: 101.79 kPa
Visibility: 15 km
January Climate & Weather Averages in Reston
High Temp: 6 °C
Low Temp: -4 °C
Mean Temp: 1 °C
Precipitation: 73.8 mm
Humidity: 64%
Dew Point: -5 °C
Wind: 19 km/h
Pressure: 101.99 kPa
Visibility: 15 km
February Climate & Weather Averages in Reston
High Temp: 8 °C
Low Temp: -3 °C
Mean Temp: 2 °C
Precipitation: 68.8 mm
Humidity: 62%
Dew Point: -5 °C
Wind: 20 km/h
Pressure: 101.93 kPa
Visibility: 15 km
March Climate & Weather Averages in Reston
High Temp: 13 °C
Low Temp: 1 °C
Mean Temp: 7 °C
Precipitation: 87.1 mm
Humidity: 59%
Dew Point: -1 °C
Wind: 21 km/h
Pressure: 101.87 kPa
Visibility: 15 km
April Climate & Weather Averages in Reston
High Temp: 19 °C
Low Temp: 6 °C
Mean Temp: 13 °C
Precipitation: 89.6 mm
Humidity: 59%
Dew Point: 5 °C
Wind: 20 km/h
Pressure: 101.60 kPa
Visibility: 16 km
May Climate & Weather Averages in Reston
High Temp: 24 °C
Low Temp: 11 °C
Mean Temp: 18 °C
Precipitation: 123.4 mm
Humidity: 67%
Dew Point: 11 °C
Wind: 16 km/h
Pressure: 101.63 kPa
Visibility: 15 km
June Climate & Weather Averages in Reston
High Temp: 29 °C
Low Temp: 17 °C
Mean Temp: 23 °C
Precipitation: 107.0 mm
Humidity: 69%
Dew Point: 17 °C
Wind: 15 km/h
Pressure: 101.51 kPa
Visibility: 14 km
July Climate & Weather Averages in Reston
High Temp: 31 °C
Low Temp: 19 °C
Mean Temp: 25 °C
Precipitation: 105.9 mm
Humidity: 68%
Dew Point: 19 °C
Wind: 13 km/h
Pressure: 101.54 kPa
Visibility: 14 km
August Climate & Weather Averages in Reston
High Temp: 30 °C
Low Temp: 19 °C
Mean Temp: 24 °C
Precipitation: 94.3 mm
Humidity: 70%
Dew Point: 18 °C
Wind: 12 km/h
Pressure: 101.65 kPa
Visibility: 14 km
September Climate & Weather Averages in Reston
High Temp: 26 °C
Low Temp: 14 °C
Mean Temp: 20 °C
Precipitation: 102.5 mm
Humidity: 71%
Dew Point: 15 °C
Wind: 14 km/h
Pressure: 101.81 kPa
Visibility: 15 km
October Climate & Weather Averages in Reston
High Temp: 20 °C
Low Temp: 7 °C
Mean Temp: 14 °C
Precipitation: 100.0 mm
Humidity: 71%
Dew Point: 8 °C
Wind: 15 km/h
Pressure: 101.87 kPa
Visibility: 15 km
November Climate & Weather Averages in Reston
High Temp: 14 °C
Low Temp: 2 °C
Mean Temp: 8 °C
Precipitation: 79.6 mm
Humidity: 66%
Dew Point: 1 °C
Wind: 17 km/h
Pressure: 102.07 kPa
Visibility: 15 km
December Climate & Weather Averages in Reston
High Temp: 8 °C
Low Temp: -2 °C
Mean Temp: 3 °C
Precipitation: 80.3 mm
Humidity: 68%
Dew Point: -2 °C
Wind: 17 km/h
Pressure: 102.04 kPa
Visibility: 15 km