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      Small Craft Advisory
      until 11:00 PM EDT
      Elev 114 ft, 38.960 °N 77.382 °W

      Reston, VA

      Herndon Station50°
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      Sat 10/17
      62°
      36°
      Clear
      0
      Sun 10/18
      62°
      37°
      Sunny
      0
      Mon 10/19
      67°
      45°
      Mostly Sunny
      0
      Tue 10/20
      70°
      46°
      Sunny
      0
      Wed 10/21
      66°
      44°
      Sunny
      0
      Thu 10/22
      69°
      45°
      Sunny
      0
      Fri 10/23
      65°
      40°
      Mostly Sunny
      0
      Sat 10/24
      63°
      40°
      Mostly Sunny
      0
      Sun 10/25
      61°
      41°
      AM Showers
      0.01
      Mon 10/26
      68°
      47°
      Mostly Sunny
      0
              Additional Conditions
              1. Pressure 30.35 in
              2. Visibility 10 miles
              3. Clouds Partly Cloudy
              4. Dew Point30°F
              5. Humidity 45%
              6. Rainfall 0.1 in
              7. Snow Depth 0 in
               KIAD Station History
              Almanac for October 17, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 62°F 67°F 84°F 2016
              4. Low 40°F 45°F 31°F 1982
              5. Rain/Snow Depth
              6. Precipitation 0 in 3.7 in -
              7. Snow 0 in 0 in -
              Almanac for October 18, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 62°F 67°F 85°F
              4. Low 36°F 44°F 27°F
              Astronomy
              1. Sun Rise Set
              2. Actual Time 7:21 AM 6:27 PM
              3. Civil Twilight 6:54 AM 6:54 PM
              4. Nautical Twilight 6:23 AM 7:25PM
              5. Astronomical Twilight 5:52 AM 7:56 PM
              1. Length of Visible Light 12h 0m
              2. Length of Day 11h 6m
              3. Tomorrow will be 2 minutes 25 seconds shorter
              1. Moon 2:02 PM 11:16 PM
              2. Waxing Crescent41% of the Moon is Illuminated
              Oct 18
              Waxing Half First Qtr
              Oct 26
              Full Moon
              Nov 1
              Waning Half Last Qtr
              Nov 9
              New Moon
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