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      Elev 19 ft, 42.365 °N 71.236 °W

      Waltham, MA

      Southside Station77°
      Updated: 6:53 PM EDT on August 27, 2026 (GMT -4)
      9 minutes ago
      85°
      62°
      77
      Feels Like 77
      Fair
      N
      10
      Gusts 19 mph
      Lower temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Thu 08/27
        Low 68°f
        24% Precip. / 0 in
        Partly cloudy this evening, then becoming cloudy after midnight. Low 68F. Winds S at 10 to 15 mph.
        Tomorrow
        Fri 08/28
        High 81°f
        43% Precip. / 0.04 in
        Scattered thunderstorms developing during the afternoon. High 81F. Winds SW at 5 to 10 mph. Chance of rain 40%.
        Tomorrow night
        Fri 08/28
        Low 56°f
        19% Precip. / 0 in
        A few clouds. Low 56F. Winds light and variable.
        Hourly Forecast
        Now
        78°
        7PM
        77°
        7:27PM
        Sunset
        8PM
        75°
        9PM
        73°
        10PM
        71°
        11PM
        70°
        12AM
        70°
        1AM
        70°
        2AM
        69°
        3AM
        70°
        4AM
        70°
        5AM
        69°
        6AM
        22%
        69°
        6:06AM
        Sunrise
        7AM
        69°
        8AM
        71°
        9AM
        73°
        10AM
        75°
        11AM
        77°
        12PM
        78°
        1PM
        79°
        2PM
        42%
        80°
        3PM
        43%
        78°
        4PM
        79°
        5PM
        79°
        6PM
        78°
        Precipitation
        43%
        Pollen
        Grass Pollen
        Low
        Air Quality
        45
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.97 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point62°F
        5. Humidity 59%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KBED Station History
        Almanac for August 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 80°F 95°F 1993
        4. Low 62°F 58°F 42°F 1989
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.8 in -
        7. Snow 0 in 0 in -
        Almanac for August 28, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 80°F 94°F
        4. Low 62°F 58°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:04 AM 7:27 PM
        3. Civil Twilight 5:35 AM 7:56 PM
        4. Nautical Twilight 5:00 AM 8:31PM
        5. Astronomical Twilight 4:23 AM 9:08 PM
        1. Length of Visible Light 14h 20m
        2. Length of Day 13h 22m
        3. Tomorrow will be 2 minutes 42 seconds shorter
        1. Moon 7:16 PM 5:19 AM
        2. Waxing Gibbous99% of the Moon is Illuminated
        Aug 28
        Full Moon
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Precipitation
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