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      Frost Advisory
      until 8:00 AM EDT
      Elev 436 ft, 38.806 °N 77.632 °W

      Haymarket, VA

      Greenhill Crossing Station53°
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      Sat 10/17
      56°
      36°
      AM Rain
      0.02
      Sun 10/18
      61°
      37°
      Sunny
      0
      Mon 10/19
      67°
      46°
      Sunny
      0
      Tue 10/20
      72°
      46°
      Sunny
      0
      Wed 10/21
      67°
      46°
      Sunny
      0
      Thu 10/22
      69°
      46°
      Sunny
      0
      Fri 10/23
      67°
      45°
      Mostly Sunny
      0
      Sat 10/24
      63°
      44°
      Partly Cloudy
      0.05
      Sun 10/25
      64°
      45°
      Partly Cloudy
      0
      Mon 10/26
      68°
      52°
      Partly Cloudy
      0
              Additional Conditions
              1. Pressure 30.05 in
              2. Visibility 10 miles
              3. Clouds Cloudy
              4. Dew Point50°F
              5. Humidity 87%
              6. Rainfall 0.37 in
              7. Snow Depth 0 in
               KHEF Station History
              Almanac for October 17, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 63°F 70°F 82°F 1958
              4. Low 41°F 43°F 28°F 1976
              5. Rain/Snow Depth
              6. Precipitation 0.02 in 0.1 in -
              7. Snow 0 in - in -
              Almanac for October 18, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 61°F 69°F 80°F
              4. Low 36°F 43°F 27°F
              Astronomy
              1. Sun Rise Set
              2. Actual Time 7:22 AM 6:29 PM
              3. Civil Twilight 6:55 AM 6:56 PM
              4. Nautical Twilight 6:24 AM 7:26PM
              5. Astronomical Twilight 5:53 AM 7:57 PM
              1. Length of Visible Light 12h 0m
              2. Length of Day 11h 7m
              3. Tomorrow will be 2 minutes 25 seconds shorter
              1. Moon 2:03 PM 11:18 PM
              2. Waxing Crescent41% of the Moon is Illuminated
              Oct 18
              Waxing Half First Qtr
              Oct 26
              Full Moon
              Nov 1
              Waning Half Last Qtr
              Nov 9
              New Moon
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