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    • Tonight

      May 27

      60° Lo
      Overcast
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sun

      May 28

      75° /62°F
      Couple of thunderstorms
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      May 29

      77° /57°
      A blend of sun and clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      May 30

      77° /54°
      Thundershower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      May 31

      71° /50°
      A morning shower; some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    75°Hi RealFeel® 78° Precipitation 65%
    Mostly cloudy with a couple of showers and a thunderstorm, mainly later
    • S 7 mph
    • Gusts: 12 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 60%
    • Precipitation: 0.39 in
    • Rain: 0.39 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Night

    62°Lo RealFeel® 60° Precipitation 68%
    Periods of rain and a thunderstorm in the evening; mostly cloudy
    • W 7 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 60%
    • Precipitation: 0.51 in
    • Rain: 0.51 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Cambridge Pollen Levels May 28

    • 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 5/28/2016
    High 75° 75° 89° (2016) 89°
    Low 62° 53° 35° (1949) 67°

    Sunrise/Sunset

    • Sunrise: 6:02 AM
    • Sunset: 8:46 PM
    • Duration: 14:44 hr

    Moonrise/Moonset

    • Moonrise: 9:01 AM
    • Moonset: 11:49 PM
    • Duration: 14:48 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps