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      Marine Weather Statement
      until 4:30 PM EDT
      Elev 311 ft, 38.753 °N 77.466 °W

      Manassas, VA

      Homeworld Station77°
      Updated: 3:29 PM EDT on September 17, 2026 (GMT -4)
      2 minutes ago
      92°
      64°
      77
      Feels Like 78
      Light Rain and Thunder
      N
      7
      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
        Thu 09/17
        Low 71°f
         100% Precip. / 0.06 in
        Thunderstorms early, then partly cloudy after midnight. Low 71F. Winds light and variable. Chance of rain 100%.
        Tomorrow
        Fri 09/18
        High 86°f
         17% Precip. / 0 in
        Partly to mostly cloudy. A stray shower or thunderstorm is possible. High 86F. Winds N at 5 to 10 mph.
        Tomorrow night
        Fri 09/18
        Low 64°f
         4% Precip. / 0 in
        Partly cloudy. Low 64F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        79°
        4PM
        49%
        80°
        5PM
        78°
        6PM
        77°
        7PM
        80°
        7:14PM
        Sunset
        8PM
        78°
        9PM
        77°
        10PM
        76°
        11PM
        74°
        12AM
        73°
        1AM
        73°
        2AM
        73°
        3AM
        73°
        4AM
        73°
        5AM
        73°
        6AM
        73°
        6:54AM
        Sunrise
        7AM
        72°
        8AM
        74°
        9AM
        76°
        10AM
        78°
        11AM
        80°
        12PM
        82°
        1PM
        83°
        2PM
        84°
        3PM
        84°
        Precipitation
        49%
        Storms likely to end around 4:15 PM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        53
        Moderate
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.12 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point73°F
        5. Humidity 82%
        6. Rainfall 0.17 in
        7. Snow Depth 0 in
         KHEF Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 92°F 80°F 94°F 1972
        4. Low 64°F 56°F 43°F 1959
        5. Rain/Snow Depth
        6. Precipitation 0.06 in 0.1 in -
        7. Snow 0 in - in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 80°F 92°F
        4. Low 64°F 55°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 7:14 PM
        3. Civil Twilight 6:26 AM 7:41 PM
        4. Nautical Twilight 5:55 AM 8:12PM
        5. Astronomical Twilight 5:23 AM 8:44 PM
        1. Length of Visible Light 13h 14m
        2. Length of Day 12h 21m
        3. Tomorrow will be 2 minutes 30 seconds shorter
        1. Moon 1:43 PM 10:42 PM
        2. Waxing Crescent39% 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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