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    • Tonight

      Sep 24

      46° Lo
      Clear and cooler
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Sep 25

      71° /42°
      Sunny and beautiful
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Sep 26

      73° /60°F
      Mostly sunny and beautiful
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Tue

      Sep 27

      72° /47°
      A bit of morning rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      74° /50°
      Beautiful with periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    62°/62° RealFeel® 60°/57°
    Periods of rain
    • 6 mph
    • Precipitation: 65%
    • Rain: 0.12 in
    • Snow: 0 in
    • Humidity: 74%
    • Cloud Cover: 100%
    • Dew Point: 54° F
    • Visibility: 8 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 73° 72° N/A 74°
    Low 60° 48° N/A 52°

    Sunrise/Sunset

    • Sunrise: 6:51 AM
    • Sunset: 6:48 PM
    • Duration: 11:57 hr

    Moonrise/Moonset

    • Moonrise: 2:26 AM
    • Moonset: 4:35 PM
    • Duration: 14:09 hr
    Astronomy

    Somerville Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 24, 2016; 6:53 PM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region this weekend. More >

    Mon. Dust & Dander

    Mon. Wind Maps