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    • Tonight

      Jun 27

      54° Lo F
      A heavy thunderstorm early
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Wed

      Jun 28

      80° /57°
      Sunny to partly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Jun 29

      84° /68°
      Some sun, then clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Jun 30

      90° /71°
      A thunderstorm in spots
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sat

      Jul 1

      90° /70°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    76°Hi RealFeel® 79° Precipitation 55%
    A morning shower, then a heavy thunderstorm; thunderstorms may bring hail and damaging winds
    • SSW 7 mph
    • Gusts: 22 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 40%
    • Precipitation: 0.22 in
    • Rain: 0.22 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Night

    54°Lo RealFeel® 52° Precipitation 55%
    A shower or heavy t-storm early; patchy clouds; thunderstorms may bring hail and damaging winds
    • WSW 6 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 0.15 in
    • Rain: 0.15 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Waltham Pollen Levels Jun 27

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 6/27/2016
    High 76° 80° N/A 89°
    Low 54° 58° N/A 61°

    Sunrise/Sunset

    • Sunrise: 5:10 AM
    • Sunset: 8:26 PM
    • Duration: 15:16 hr

    Moonrise/Moonset

    • Moonrise: 9:14 AM
    • Moonset: 11:16 PM
    • Duration: 14:02 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps