, °C

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Jan 17

      3° /-8°
      Sunny; breezy this afternoon
      • Good
      • for stargazing
      • Cloud Cover: 26%
      • Precip: 54%
      • Hours of Precip: 1
      More
    • Thu

      Jan 18

      2° /0°C
      Sun through high clouds
      • Poor
      • for stargazing
      • Cloud Cover: 80%
      • Precip: 12%
      • Hours of Precip: 0
    • Fri

      Jan 19

      3° /-8°
      Clouds giving way to some sun
      • Very Good
      • for stargazing
      • Cloud Cover: 18%
      • Precip: 25%
      • Hours of Precip: 0
      More
    • Sat

      Jan 20

      0° /-9°
      Mostly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 28%
      • Precip: 6%
      • Hours of Precip: 0
      More
    • Sun

      Jan 21

      -5° /-14°
      Brilliant sunshine
      • Fair
      • for stargazing
      • Cloud Cover: 62%
      • Precip: 13%
      • Hours of Precip: 0
      More

    Day

    Hi RealFeel® -3° Precipitation 8%
    Sun through high clouds
    • Winds from the
    • SW 15 km/h
    • Gusts: 22 km/h
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 mm
    • Rain: 0 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    Lo RealFeel® -5° Precipitation 12%
    Partly cloudy
    • Winds from the
    • WSW 17 km/h
    • Gusts: 26 km/h
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 mm
    • Rain: 0 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 1/18/2017
    High -11° N/A
    Low -22° N/A -9°

    Sunrise/Sunset

    • Sunrise: 8:33 AM
    • Sunset: 5:17 PM
    • Duration: 8:44 hr

    Moonrise/Moonset

    • Moonrise: 9:25 AM
    • Moonset: 7:07 PM
    • Duration: 9:42 hr
    Astronomy

    Solunar Information for Reston, Canada

    Wed, Jan 17
    New
    Wed, Jan 24
    First
    Wed, Jan 31
    Full
    Wed, Feb 7
    Last