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      Elev 430 ft, 38.979 °N 77.355 °W

      Reston, VA

      Updated: 10:39 PM EDT on September 23, 2026 (GMT -4)
      6 minutes ago
      64°
      52°
      53
      Feels Like 53
      Partly Cloudy
      N
      6
      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
        Wed 09/23
        Low 49°f
        4% Precip. / 0 in
        Mainly cloudy. Low 49F. Winds NE at 5 to 10 mph.
        Tomorrow
        Thu 09/24
        High 65°f
        4% Precip. / 0 in
        Cloudy. High near 65F. Winds NNE at 10 to 15 mph.
        Tomorrow night
        Thu 09/24
        Low 47°f
        2% Precip. / 0 in
        Partly cloudy. Low 47F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        55°
        11PM
        55°
        12AM
        54°
        1AM
        54°
        2AM
        54°
        3AM
        53°
        4AM
        53°
        5AM
        52°
        6AM
        51°
        6:58AM
        Sunrise
        7AM
        50°
        8AM
        51°
        9AM
        54°
        10AM
        57°
        11AM
        59°
        12PM
        61°
        1PM
        61°
        2PM
        62°
        3PM
        63°
        4PM
        64°
        5PM
        63°
        6PM
        62°
        7PM
        60°
        7:03PM
        Sunset
        8PM
        59°
        9PM
        57°
        10PM
        55°
        Additional Conditions
        1. Pressure 30.38 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point49°F
        5. Humidity 80%
        6. Rainfall 0.2 in
        7. Snow Depth 0 in
        KIAD Station History
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 76°F 97°F 2010
        4. Low 52°F 55°F 30°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 25, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 76°F 93°F
        4. Low 52°F 54°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:59 AM 7:03 PM
        3. Civil Twilight 6:32 AM 7:29 PM
        4. Nautical Twilight 6:01 AM 8:00PM
        5. Astronomical Twilight 5:29 AM 8:32 PM
        1. Length of Visible Light 12h 57m
        2. Length of Day 12h 4m
        3. Tomorrow will be 2 minutes 32 seconds shorter
        1. Moon 6:02 PM 4:41 AM
        2. Waxing Gibbous96% 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
        Nearby Weather Stations
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