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Personalized Forecasts

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    • Today

      Sep 26

      67° /54°F
      Mostly sunny and pleasant
      • Excellent
      • for travel
      • Rain: 0.27 in
      • Wind Speed: 4 mph
      • T-storms: 2%
    • Tue

      Sep 27

      72° /53°
      Occasional morning rain
      • Good
      • for travel
      • Rain: 0.09 in
      • Wind Speed: 5 mph
      • T-storms: 10%
      More
    • Wed

      Sep 28

      64° /54°
      Times of clouds and sun
      • Excellent
      • for travel
      • Rain: 0 in
      • Wind Speed: 8 mph
      • T-storms: 0%
      More
    • Thu

      Sep 29

      61° /55°
      Mostly cloudy, showers around
      • Excellent
      • for travel
      • Rain: 0.08 in
      • Wind Speed: 15 mph
      • T-storms: 20%
      More
    • Fri

      Sep 30

      62° /57°
      A couple of showers possible
      • Excellent
      • for travel
      • Rain: 0 in
      • Wind Speed: 9 mph
      • T-storms: 15%
      More

    Day

    67°Hi RealFeel® 74° Precipitation 2%
    Sunny to partly cloudy and pleasant
    • SW 4 mph
    • Gusts: 8 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    54°Lo RealFeel® 52° Precipitation 71%
    Increasing cloudiness with periods of rain late
    • S 6 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0.27 in
    • Rain: 0.27 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 67° 69° N/A 65°
    Low 54° 47° N/A 37°

    Sunrise/Sunset

    • Sunrise: 6:37 AM
    • Sunset: 6:34 PM
    • Duration: 11:57 hr

    Moonrise/Moonset

    • Moonrise: 2:08 AM
    • Moonset: 4:24 PM
    • Duration: 14:16 hr
    Astronomy

    Waltham Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 4:29 AM ET

    Bouts of wet weather will frequent the northeastern United States during the last full week of September. More >

    Weather Related Flight Delays

    Mon. Travel Weather

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