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      Elev 367 ft, 38.817 °N 77.628 °W

      Haymarket, VA

      Haymarket Station79°
      Updated: 7:23 PM EDT on September 20, 2026 (GMT -4)
      9 minutes ago
      83°
      68°
      79
      Feels Like 82
      Partly Cloudy
      N
      2
      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 64°f
         21% Precip. / 0 in
        Some clouds. Low 64F. Winds light and variable.
        Tomorrow
        Mon 09/21
        High 69°f
         51% Precip. / 0.08 in
        Cloudy with occasional rain showers. High 69F. Winds NE at 5 to 10 mph. Chance of rain 50%.
        Tomorrow night
        Mon 09/21
        Low 60°f
         77% Precip. / 0.35 in
        Rain likely. Low near 60F. Winds NE at 5 to 10 mph. Chance of rain 80%. Rainfall around a quarter of an inch.
        Hourly Forecast
        Now
        78°
        8PM
        76°
        9PM
        74°
        10PM
        73°
        11PM
        72°
        12AM
        72°
        1AM
        71°
        2AM
        70°
        3AM
        70°
        4AM
        69°
        5AM
        68°
        6AM
        66°
        6:57AM
        Sunrise
        7AM
        65°
        8AM
        67°
        9AM
        67°
        10AM
        47%
        68°
        11AM
        34%
        68°
        12PM
        69°
        1PM
        51%
        69°
        2PM
        46%
        67°
        3PM
        67°
        4PM
        34%
        66°
        5PM
        33%
        66°
        6PM
        65°
        7PM
        30%
        64°
        Precipitation
        51%
        Pollen
        Ragweed Pollen
        Very High
        Air Quality
        50
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point71°F
        5. Humidity 79%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KHEF Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 79°F 97°F 1895
        4. Low 68°F 54°F 43°F 1973
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.1 in -
        7. Snow 0 in - in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 79°F 97°F
        4. Low 68°F 54°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:56 AM 7:10 PM
        3. Civil Twilight 6:29 AM 7:37 PM
        4. Nautical Twilight 5:58 AM 8:08PM
        5. Astronomical Twilight 5:27 AM 8:39 PM
        1. Length of Visible Light 13h 7m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 4:08 PM 12:30 AM
        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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