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    • Today

      Dec 17

      43° /33°F
      A few afternoon showers
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Dec 18

      45° /41°
      Fog in the a.m.; cloudy, damp
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 19

      52° /30°
      Areas of fog in the morning
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 20

      41° /23°
      Partly sunny and cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Dec 21

      47° /36°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    43°Hi RealFeel® 46° Precipitation 72%
    Mostly cloudy with a few showers this afternoon
    • Winds from the
    • S 4 mph
    • Gusts: 8 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.12 in
    • Rain: 0.12 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3 hrs
    • Hours of Rain: 3 hrs

    Night

    33°Lo RealFeel® 31° Precipitation 12%
    Overcast; patchy late-night fog
    • Winds from the
    • SSW 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Cambridge Pollen Levels Dec 17

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/17/2016
    High 43° 40° 69° (1984) 60°
    Low 33° 24° -15° (1989) 25°

    Sunrise/Sunset

    • Sunrise: 7:42 AM
    • Sunset: 5:03 PM
    • Duration: 9:21 hr

    Moonrise/Moonset

    • Moonrise: 6:54 AM
    • Moonset: 4:59 PM
    • Duration: 10:05 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps