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Personalized Forecasts

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    My Recent Locations

    • Tonight

      Aug 18

      56° Lo
      Clear to partly cloudy; smoky
      • Stargazing
      • Weather
      • Cloud Cover: 27%
      • Precip: 0%
      • Hours of Precip: 0
      More
    • Sun

      Aug 19

      86° /55°
      Hazy sunshine; smoky
      • Very Good
      • for stargazing
      • Cloud Cover: 3%
      • Precip: 2%
      • Hours of Precip: 0
      More
    • Mon

      Aug 20

      93° /58°
      Plenty of sun; hot
      • Very Good
      • for stargazing
      • Cloud Cover: 4%
      • Precip: 0%
      • Hours of Precip: 0
      More
    • Tue

      Aug 21

      92° /55°
      Plenty of sun; hot
      • Excellent
      • for stargazing
      • Cloud Cover: 0%
      • Precip: 2%
      • Hours of Precip: 0
      More
    • Wed

      Aug 22

      86° /58°F
      Mostly sunny; very warm
      • Excellent
      • for stargazing
      • Cloud Cover: 23%
      • Precip: 10%
      • Hours of Precip: 0

    Day

    86°Hi RealFeel® 88° Precipitation 4%
    Mostly sunny; very warm; air quality will be unhealthy for sensitive groups
    • Winds from the
    • WSW 5 mph
    • Gusts: 9 mph
    • Max UV Index: 6 (High)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    58°Lo RealFeel® 59° Precipitation 10%
    Mainly clear
    • Winds from the
    • SSW 4 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 3%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/22/2017
    High 86° 74° N/A 85°
    Low 58° 52° N/A 58°

    Sunrise/Sunset

    • Sunrise: 6:11 AM
    • Sunset: 8:12 PM
    • Duration: 14:01 hr

    Moonrise/Moonset

    • Moonrise: 6:21 PM
    • Moonset: 3:16 AM
    • Duration: 8:55 hr
    Astronomy

    Solunar Information for Sumas, Canada

    Sun, Aug 26
    Full
    Mon, Sep 3
    Last
    Sun, Sep 9
    New
    Sun, Sep 16
    First