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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°
      Tue, Oct 20, 2026
      Tuesday
      Tue 10/20
      High 71°f
      1% Precip. / 0 in
      Mainly sunny. High 71F. Winds N at 10 to 15 mph.
      Tuesday night
      Tue 10/20
      Low 46°f
      4% Precip. / 0 in
      Clear skies. Low 46F. Winds N at 5 to 10 mph.
      Sunrise 7:24 AM
      Sunset 6:23 PM
      Moonrise 3:38 PM
      Moonset 1:20 AM
      Waxing Gibbous, 70% visible
      Hourly Forecast
      12AM
      50°
      1AM
      49°
      2AM
      48°
      3AM
      48°
      4AM
      47°
      5AM
      47°
      6AM
      46°
      7AM
      47°
      7:24AM
      Sunrise
      8AM
      48°
      9AM
      52°
      10AM
      57°
      11AM
      61°
      12PM
      64°
      1PM
      67°
      2PM
      69°
      3PM
      69°
      4PM
      69°
      5PM
      67°
      6PM
      65°
      6:23PM
      Sunset
      7PM
      61°
      8PM
      59°
      9PM
      57°
      10PM
      56°
      11PM
      55°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Clear
      		 50°F 47°F 1% 0in 4% 38°F 64% 6 mph NNW 30.22in
      1:00 am
      Clear
      		 49°F 46°F 1% 0in 5% 38°F 65% 7 mph NNW 30.21in
      2:00 am
      Clear
      		 48°F 45°F 1% 0in 5% 38°F 66% 7 mph NNW 30.2in
      3:00 am
      Clear
      		 48°F 44°F 1% 0in 5% 37°F 66% 7 mph NNW 30.2in
      4:00 am
      Clear
      		 47°F 43°F 1% 0in 10% 36°F 67% 8 mph NNW 30.2in
      5:00 am
      Clear
      		 47°F 43°F 1% 0in 13% 36°F 66% 8 mph NNW 30.2in
      6:00 am
      Clear
      		 46°F 43°F 1% 0in 11% 36°F 67% 8 mph NNW 30.21in
      7:00 am
      Clear
      		 47°F 43°F 1% 0in 7% 36°F 66% 8 mph NNW 30.22in
      8:00 am
      Sunny
      		 48°F 44°F 1% 0in 5% 37°F 66% 8 mph NNW 30.23in
      9:00 am
      Sunny
      		 52°F 49°F 1% 0in 7% 39°F 60% 9 mph NNW 30.24in
      10:00 am
      Sunny
      		 57°F 55°F 0% 0in 9% 40°F 54% 10 mph NNW 30.24in
      11:00 am
      Sunny
      		 61°F 59°F 0% 0in 10% 41°F 48% 11 mph NNW 30.24in
      12:00 pm
      Sunny
      		 64°F 63°F 0% 0in 11% 41°F 42% 11 mph N 30.23in
      1:00 pm
      Sunny
      		 67°F 67°F 0% 0in 12% 40°F 37% 11 mph N 30.22in
      2:00 pm
      Sunny
      		 69°F 69°F 0% 0in 13% 40°F 35% 11 mph N 30.2in
      3:00 pm
      Sunny
      		 69°F 69°F 0% 0in 13% 41°F 35% 11 mph N 30.19in
      4:00 pm
      Sunny
      		 69°F 69°F 0% 0in 13% 42°F 38% 11 mph N 30.18in
      5:00 pm
      Sunny
      		 67°F 67°F 0% 0in 13% 42°F 41% 10 mph N 30.19in
      6:00 pm
      Sunny
      		 65°F 64°F 0% 0in 13% 43°F 44% 9 mph N 30.19in
      7:00 pm
      Clear
      		 61°F 60°F 1% 0in 12% 43°F 50% 8 mph N 30.2in
      8:00 pm
      Clear
      		 59°F 58°F 1% 0in 11% 43°F 55% 7 mph N 30.21in
      9:00 pm
      Clear
      		 57°F 55°F 2% 0in 9% 43°F 59% 7 mph N 30.22in
      10:00 pm
      Clear
      		 56°F 54°F 2% 0in 5% 43°F 62% 7 mph N 30.22in
      11:00 pm
      Clear
      		 55°F 53°F 2% 0in 2% 43°F 63% 7 mph N 30.24in
      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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