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Personalized Forecasts

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    • Today

      Jan 21

      51° /34°
      Considerable clouds
      • Poor
      • for stargazing
      • Cloud Cover: 87%
      • Precip: 3%
      • Hours of Precip: 0
      More
    • Sun

      Jan 22

      44° /34°
      Fog in the morning; cloudy
      • Poor
      • for stargazing
      • Cloud Cover: 99%
      • Precip: 56%
      • Hours of Precip: 1
      More
    • Mon

      Jan 23

      38° /35°
      Cloudy, rain; colder
      • Poor
      • for stargazing
      • Cloud Cover: 99%
      • Precip: 79%
      • Hours of Precip: 14.5
      More
    • Tue

      Jan 24

      44° /34°F
      Milder with rain tapering off
      • Poor
      • for stargazing
      • Cloud Cover: 78%
      • Precip: 55%
      • Hours of Precip: 5
    • Wed

      Jan 25

      48° /38°
      Partly sunny and mild
      • Poor
      • for stargazing
      • Cloud Cover: 66%
      • Precip: 40%
      • Hours of Precip: 0.5
      More

    Day

    44°Hi RealFeel® 39° Precipitation 75%
    Continuing cloudy and milder with rain tapering off
    • NNW 10 mph
    • Gusts: 18 mph
    • Max UV Index: 0 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.26 in
    • Rain: 0.26 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3.5 hrs
    • Hours of Rain: 3.5 hrs

    Night

    34°Lo RealFeel® 30° Precipitation 55%
    Occasional evening rain and drizzle; otherwise, rather cloudy
    • W 8 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0.03 in
    • Rain: 0.03 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 1/24/2016
    High 44° 34° N/A 36°
    Low 34° 16° N/A 15°

    Sunrise/Sunset

    • Sunrise: 7:07 AM
    • Sunset: 4:48 PM
    • Duration: 9:41 hr

    Moonrise/Moonset

    • Moonrise: 4:13 AM
    • Moonset: 2:07 PM
    • Duration: 9:54 hr
    Astronomy

    Solunar Information for Chelmsford, MA

    Sat, Jan 28
    New
    Sat, Feb 4
    First
    Sat, Feb 11
    Full
    Sat, Feb 18
    Last

    Tue. Stargazing