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    • Today

      Oct 18

      72° /47°
      Sunny, pleasant and warmer
      • 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
      More
    • Thu

      Oct 19

      74° /51°F
      Mostly sunny, nice and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Fri

      Oct 20

      69° /42°
      Nice with plenty of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 21

      71° /48°
      Mostly sunny and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 22

      73° /56°
      Partly sunny, nice and warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    74°Hi RealFeel® 73° Precipitation 1%
    Mostly sunny, nice and warm
    • Winds from the
    • SSW 10 mph
    • Gusts: 16 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    51°Lo RealFeel® 48° Precipitation 0%
    Mainly clear
    • Winds from the
    • WSW 8 mph
    • Gusts: 14 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

    Waltham Pollen Levels Oct 19

    • 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 10/19/2016
    High 74° 60° N/A 79°
    Low 51° 38° N/A 46°

    Sunrise/Sunset

    • Sunrise: 7:02 AM
    • Sunset: 5:57 PM
    • Duration: 10:55 hr

    Moonrise/Moonset

    • Moonrise: 6:38 AM
    • Moonset: 6:17 PM
    • Duration: 11:39 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps