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      Elev 890 ft, 38.842 °N 77.705 °W

      Haymarket, VA

      Broad Run Station74°
      Updated: 8:51 PM EDT on September 20, 2026 (GMT -4)
      3 minutes ago
      82°
      67°
      74
      Feels Like 76
      Partly Cloudy
      N
      1
      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
        Sun 09/20
        Low 63°f
         24% Precip. / 0 in
        Partly cloudy skies. Low 63F. Winds light and variable.
        Tomorrow
        Mon 09/21
        High 68°f
         54% Precip. / 0.1 in
        Rain showers in the morning becoming more intermittent in the afternoon. High 68F. Winds NE at 5 to 10 mph. Chance of rain 50%.
        Tomorrow night
        Mon 09/21
        Low 58°f
         83% Precip. / 0.25 in
        Rain showers in the evening will evolve into a more steady rain overnight. Low 58F. Winds light and variable. Chance of rain 80%. Rainfall around a quarter of an inch.
        Hourly Forecast
        Now
        74°
        9PM
        74°
        10PM
        72°
        11PM
        72°
        12AM
        70°
        1AM
        70°
        2AM
        69°
        3AM
        68°
        4AM
        67°
        5AM
        67°
        6AM
        65°
        6:57AM
        Sunrise
        7AM
        64°
        8AM
        66°
        9AM
        37%
        66°
        10AM
        43%
        66°
        11AM
        37%
        66°
        12PM
        68°
        1PM
        32%
        67°
        2PM
        55%
        67°
        3PM
        34%
        65°
        4PM
        65°
        5PM
        65°
        6PM
        64°
        7PM
        63°
        7:09PM
        Sunset
        8PM
        61°
        Precipitation
        55%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        52
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.91 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point70°F
        5. Humidity 88%
        6. Rainfall 0.04 in
        7. Snow Depth 0 in
         KHEF Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 76°F 90°F 1983
        4. Low 67°F 56°F 37°F 1993
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 90°F
        4. Low 67°F 55°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 7:09 PM
        3. Civil Twilight 6:31 AM 7:35 PM
        4. Nautical Twilight 5:59 AM 8:06PM
        5. Astronomical Twilight 5:28 AM 8:38 PM
        1. Length of Visible Light 13h 4m
        2. Length of Day 12h 11m
        3. Tomorrow will be 2 minutes 30 seconds shorter
        1. Moon 4:43 PM 1:31 AM
        2. Waxing Gibbous77% 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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