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      Small Craft Advisory
      until 6:00 AM EDT
      Elev 377 ft, 38.651 °N 77.453 °W

      Manassas, VA

      Walton Station60°
      Updated: 7:32 PM EDT on September 22, 2026 (GMT -4)
      8 minutes ago
      66°
      58°
      60
      Feels Like 60
      Rain
      N
      8
      Similar temperature is expected tomorrow
      Wundermap
      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
        Tue 09/22
        Low 55°f
         86% Precip. / 0.1 in
        Steady light rain this evening. Showers continuing overnight. Low around 55F. Winds NE at 10 to 15 mph. Chance of rain 90%.
        Tomorrow
        Wed 09/23
        High 65°f
         64% Precip. / 0.08 in
        Cloudy. Periods of rain early. High around 65F. Winds NNE at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Wed 09/23
        Low 51°f
         3% Precip. / 0 in
        Cloudy. Low 51F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        60°
        8PM
        76%
        59°
        9PM
        61%
        59°
        10PM
        44%
        59°
        11PM
        59°
        12AM
        59°
        1AM
        58°
        2AM
        44%
        58°
        3AM
        49%
        58°
        4AM
        52%
        57°
        5AM
        59%
        57°
        6AM
        63%
        56°
        6:58AM
        Sunrise
        7AM
        64%
        56°
        8AM
        65%
        56°
        9AM
        53%
        56°
        10AM
        56°
        11AM
        57°
        12PM
        58°
        1PM
        59°
        2PM
        60°
        3PM
        61°
        4PM
        62°
        5PM
        64°
        6PM
        63°
        7PM
        62°
        Precipitation
        76%
        Rain ends by 11 PM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        20
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.22 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point59°F
        5. Humidity 96%
        6. Rainfall 0.74 in
        7. Snow Depth 0 in
         KHEF Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 79°F 96°F 1980
        4. Low 58°F 54°F 39°F 1897
        5. Rain/Snow Depth
        6. Precipitation 0.1 in 0.1 in -
        7. Snow 0 in - in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 78°F 99°F
        4. Low 58°F 53°F 37°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 7:06 PM
        3. Civil Twilight 6:31 AM 7:33 PM
        4. Nautical Twilight 6:00 AM 8:04PM
        5. Astronomical Twilight 5:28 AM 8:35 PM
        1. Length of Visible Light 13h 2m
        2. Length of Day 12h 9m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 5:11 PM 2:33 AM
        2. Waxing Gibbous85% 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
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