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

      Reston, VA

      Herndon Station49°
      Mon, Oct 19, 2026
      Monday
      Mon 10/19
      High 67°f
      5% Precip. / 0 in
      Plentiful sunshine. High 67F. Winds N at 5 to 10 mph.
      Monday night
      Mon 10/19
      Low 45°f
      2% Precip. / 0 in
      Clear skies. Low near 45F. Winds NNW at 5 to 10 mph.
      Sunrise 7:23 AM
      Sunset 6:25 PM
      Moonrise 3:10 PM
      Moonset 12:17 AM
      Waxing Gibbous, 60% visible
      Hourly Forecast
      12AM
      43°
      1AM
      41°
      2AM
      40°
      3AM
      39°
      4AM
      39°
      5AM
      38°
      6AM
      38°
      7AM
      38°
      7:23AM
      Sunrise
      8AM
      39°
      9AM
      45°
      10AM
      50°
      11AM
      55°
      12PM
      59°
      1PM
      62°
      2PM
      64°
      3PM
      66°
      4PM
      65°
      5PM
      64°
      6PM
      61°
      6:24PM
      Sunset
      7PM
      58°
      8PM
      55°
      9PM
      53°
      10PM
      52°
      11PM
      51°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Clear
      		 43°F 43°F 3% 0in 0% 37°F 79% 2 mph N 30.51in
      1:00 am
      Clear
      		 41°F 41°F 4% 0in 0% 37°F 83% 2 mph N 30.5in
      2:00 am
      Clear
      		 40°F 40°F 4% 0in 0% 36°F 86% 2 mph N 30.49in
      3:00 am
      Clear
      		 39°F 39°F 5% 0in 0% 36°F 87% 3 mph N 30.48in
      4:00 am
      Clear
      		 39°F 36°F 5% 0in 0% 35°F 87% 4 mph N 30.47in
      5:00 am
      Clear
      		 38°F 36°F 5% 0in 5% 35°F 86% 4 mph N 30.47in
      6:00 am
      Clear
      		 38°F 35°F 5% 0in 2% 34°F 85% 4 mph N 30.46in
      7:00 am
      Clear
      		 38°F 35°F 5% 0in 3% 34°F 84% 4 mph NNW 30.46in
      8:00 am
      Sunny
      		 39°F 36°F 4% 0in 3% 34°F 82% 5 mph NNW 30.46in
      9:00 am
      Sunny
      		 45°F 41°F 2% 0in 1% 36°F 72% 6 mph NNW 30.45in
      10:00 am
      Sunny
      		 50°F 47°F 0% 0in 0% 37°F 61% 7 mph NNW 30.45in
      11:00 am
      Sunny
      		 55°F 54°F 0% 0in 1% 37°F 50% 7 mph N 30.43in
      12:00 pm
      Sunny
      		 59°F 58°F 0% 0in 5% 37°F 43% 9 mph N 30.39in
      1:00 pm
      Sunny
      		 62°F 61°F 0% 0in 11% 36°F 38% 9 mph N 30.36in
      2:00 pm
      Sunny
      		 64°F 64°F 0% 0in 18% 37°F 36% 9 mph N 30.32in
      3:00 pm
      Partly Cloudy
      		 66°F 66°F 0% 0in 34% 38°F 35% 10 mph N 30.29in
      4:00 pm
      Mostly Sunny
      		 65°F 65°F 0% 0in 26% 39°F 37% 10 mph N 30.27in
      5:00 pm
      Sunny
      		 64°F 63°F 0% 0in 16% 39°F 40% 9 mph N 30.26in
      6:00 pm
      Sunny
      		 61°F 61°F 0% 0in 13% 40°F 45% 8 mph N 30.25in
      7:00 pm
      Clear
      		 58°F 57°F 0% 0in 19% 39°F 50% 7 mph N 30.25in
      8:00 pm
      Clear
      		 55°F 54°F 1% 0in 2% 39°F 54% 6 mph N 30.25in
      9:00 pm
      Clear
      		 53°F 52°F 1% 0in 2% 39°F 59% 6 mph N 30.24in
      10:00 pm
      Clear
      		 52°F 50°F 1% 0in 6% 39°F 61% 6 mph NNW 30.24in
      11:00 pm
      Clear
      		 51°F 48°F 2% 0in 4% 39°F 64% 6 mph NNW 30.23in
      Additional Conditions
      1. Pressure 30.37 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point31°F
      5. Humidity 49%
      6. Rainfall 0.07 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 41°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 37°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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