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      Elev 114 ft, 38.960 °N 77.382 °W

      Reston, VA

      Herndon Station64°
      Updated: 4:54 PM EST on November 10, 2026 (GMT -5)
      10 minutes ago
      70°
      39°
      64
      Feels Like 64
      Sunny
      N
      6
      Similar temperature is expected tomorrow
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      575
      90
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      7
      0 mph

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      Temperature, dewpoint and wind modeled down to the neighborhood.

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      Radar debug
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Tue 11/10
        Low 40°f
         7% Precip. / 0 in
        Clear skies. Low near 40F. Winds light and variable.
        Tomorrow
        Wed 11/11
        High 68°f
         7% Precip. / 0 in
        Sunshine and clouds mixed. High 68F. Winds S at 5 to 10 mph.
        Tomorrow night
        Wed 11/11
        Low 47°f
         24% Precip. / 0 in
        Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 47F. Winds SSE at 5 to 10 mph.
        Hourly Forecast
        Now
        65°
        4:59PM
        Sunset
        5PM
        65°
        6PM
        61°
        7PM
        58°
        8PM
        56°
        9PM
        54°
        10PM
        51°
        11PM
        50°
        12AM
        48°
        1AM
        47°
        2AM
        45°
        3AM
        44°
        4AM
        43°
        5AM
        42°
        6AM
        41°
        6:48AM
        Sunrise
        7AM
        41°
        8AM
        46°
        9AM
        52°
        10AM
        57°
        11AM
        61°
        12PM
        63°
        1PM
        66°
        2PM
        66°
        3PM
        66°
        4PM
        65°
        Precipitation
        8%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        29
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point37°F
        5. Humidity 35%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KIAD Station History
        Almanac for November 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 59°F 77°F 2020
        4. Low 39°F 37°F 21°F 2003
        5. Rain/Snow Depth
        6. Precipitation 0 in 4.7 in -
        7. Snow 0 in 0.1 in -
        Almanac for November 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 58°F 78°F
        4. Low 40°F 37°F 16°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:46 AM 4:59 PM
        3. Civil Twilight 6:18 AM 5:27 PM
        4. Nautical Twilight 5:46 AM 5:59PM
        5. Astronomical Twilight 5:15 AM 6:31 PM
        1. Length of Visible Light 11h 9m
        2. Length of Day 10h 12m
        3. Tomorrow will be 2 minutes shorter
        1. Moon 8:18 AM 5:31 PM
        2. Waxing Crescent1% of the Moon is Illuminated
        Nov 17
        Waxing Half First Qtr
        Nov 24
        Full Moon
        Dec 1
        Waning Half Last Qtr
        Dec 8
        New Moon
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