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      Elev 259 ft, 42.099 °N 71.542 °W

      Mendon, MA

      Mendon Station61°
      Updated: 10:41 AM EDT on September 20, 2026 (GMT -4)
      7 minutes ago
      61°
      51°
      61
      Feels Like 61
      Cloudy
      N
      5
      Lower temperature is expected today
      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
        Today
        Sun 09/20
        High 60°f
         100% Precip. / 0.22 in
        Showers this morning, becoming a steady rain during the afternoon hours. Potential for heavy rainfall. High around 60F. Winds SE at 5 to 10 mph. Chance of rain 100%. Rainfall near a quarter of an inch.
        Tonight
        Sun 09/20
        Low 53°f
         76% Precip. / 0.13 in
        Steady light rain this evening. Showers continuing overnight. Low 53F. Winds NNE at 5 to 10 mph. Chance of rain 80%.
        Tomorrow
        Mon 09/21
        High 66°f51°f
         21% Precip. / 0 in
        Cloudy early with partial sunshine expected late. High 66F. Winds NNE at 10 to 15 mph.
        Hourly Forecast
        Now
        60°
        11AM
        52%
        60°
        12PM
        60%
        60°
        1PM
        83%
        58°
        2PM
        100%
        57°
        3PM
        100%
        58°
        4PM
        75%
        58°
        5PM
        59%
        59°
        6PM
        75%
        59°
        6:46PM
        Sunset
        7PM
        67%
        59°
        8PM
        65%
        59°
        9PM
        76%
        59°
        10PM
        74%
        59°
        11PM
        77%
        59°
        12AM
        67%
        58°
        1AM
        48%
        57°
        2AM
        57°
        3AM
        57°
        4AM
        34%
        56°
        5AM
        55°
        6AM
        55°
        6:32AM
        Sunrise
        7AM
        54°
        8AM
        54°
        9AM
        56°
        10AM
        58°
        Precipitation
        100%
        Rain expected around 11:30 AM
        Pollen
        None
        Air Quality
        12
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.11 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point51°F
        5. Humidity 74%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSFZ Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 61°F 75°F 89°F 1983
        4. Low 51°F 49°F 27°F 1964
        5. Rain/Snow Depth
        6. Precipitation 0.36 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 74°F 92°F
        4. Low 51°F 49°F 27°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 6:46 PM
        3. Civil Twilight 6:03 AM 7:14 PM
        4. Nautical Twilight 5:30 AM 7:47PM
        5. Astronomical Twilight 4:57 AM 8:21 PM
        1. Length of Visible Light 13h 11m
        2. Length of Day 12h 15m
        3. Tomorrow will be 2 minutes 49 seconds shorter
        1. Moon 3:55 PM -
        2. Waxing Gibbous68% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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