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      Elev 581 ft, 39.797 °N 77.729 °W

      Greencastle, PA

      Greencastle Station49°
      Updated: 4:47 AM EDT on September 15, 2026 (GMT -4)
      10 minutes ago
      76°
      48°
      49
      Feels Like 49
      Clear
      N
      4
      Same 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
        Tue 09/15
        High 76°f
         2% Precip. / 0 in
        Plentiful sunshine. High 76F. Winds SE at 5 to 10 mph.
        Tonight
        Tue 09/15
        Low 57°f
         7% Precip. / 0 in
        Clear skies. Low 57F. Winds SSE at 5 to 10 mph.
        Tomorrow
        Wed 09/16
        High 86°f67°f
         7% Precip. / 0 in
        Mostly sunny skies. High 86F. Winds S at 5 to 10 mph.
        Hourly Forecast
        Now
        48°
        5AM
        49°
        6AM
        48°
        6:51AM
        Sunrise
        7AM
        48°
        8AM
        54°
        9AM
        58°
        10AM
        62°
        11AM
        66°
        12PM
        69°
        1PM
        71°
        2PM
        73°
        3PM
        75°
        4PM
        75°
        5PM
        75°
        6PM
        74°
        7PM
        72°
        7:19PM
        Sunset
        8PM
        69°
        9PM
        68°
        10PM
        66°
        11PM
        65°
        12AM
        64°
        1AM
        62°
        2AM
        62°
        3AM
        61°
        4AM
        60°
        Precipitation
        6%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        16
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.31 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point48°F
        5. Humidity 100%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KHGR Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 77°F 92°F 1970
        4. Low 48°F 56°F 40°F 1975
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.13 in -
        7. Snow 0 in - in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 77°F 95°F
        4. Low 48°F 55°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:52 AM 7:19 PM
        3. Civil Twilight 6:24 AM 7:46 PM
        4. Nautical Twilight 5:53 AM 8:18PM
        5. Astronomical Twilight 5:20 AM 8:50 PM
        1. Length of Visible Light 13h 21m
        2. Length of Day 12h 27m
        3. Tomorrow will be 2 minutes 35 seconds shorter
        1. Moon 11:44 AM 9:19 PM
        2. Waxing Crescent21% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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