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    • Today

      Aug 18

      83° /60°F
      Partial sunshine
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Sun

      Aug 19

      83° /61°
      Sun mixing with clouds
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Aug 20

      83° /67°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Aug 21

      77° /59°
      A shower and t-storm around
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Aug 22

      76° /51°
      Times of clouds and sun; nice
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    83°Hi RealFeel® 91° Precipitation 25%
    Partial sunshine
    • Winds from the
    • NNE 6 mph
    • Gusts: 9 mph
    • Max UV Index: 8 (Very High)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    60°Lo RealFeel® 61° Precipitation 1%
    Clear to partly cloudy
    • Winds from the
    • NE 4 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Chelsea Pollen Levels Aug 18

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/18/2017
    High 83° 81° 97° (1899) 80°
    Low 60° 61° 43° (1963) 67°

    Sunrise/Sunset

    • Sunrise: 6:46 AM
    • Sunset: 8:33 PM
    • Duration: 13:47 hr

    Moonrise/Moonset

    • Moonrise: 2:47 PM
    • Moonset: 1:02 AM
    • Duration: 10:15 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps