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      Elev 479 ft, 38.910 °N 77.227 °W

      Tysons, VA

      Tysons Corner Station82°
      Updated: 2:45 PM EDT on September 17, 2026 (GMT -4)
      8 minutes ago
      88°
      67°
      82
      Feels Like 87
      Showers in Vicinity
      N
      7
      Similar temperature is expected today
      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
        Today
        Thu 09/17
        High 87°f
         88% Precip. / 0.02 in
        Periods of rain. High 87F. Winds light and variable. Chance of rain 90%.
        Tonight
        Thu 09/17
        Low 71°f
         24% Precip. / 0 in
        Cloudy skies this evening will become partly cloudy after midnight. Slight chance of a rain shower. Low 71F. Winds light and variable.
        Tomorrow
        Fri 09/18
        High 84°f63°f
         15% Precip. / 0 in
        Partly cloudy skies. A stray shower or thunderstorm is possible. High 84F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        85°
        3PM
        66%
        77°
        4PM
        81°
        5PM
        81°
        6PM
        82°
        7PM
        80°
        7:14PM
        Sunset
        8PM
        32%
        77°
        9PM
        76°
        10PM
        75°
        11PM
        75°
        12AM
        74°
        1AM
        74°
        2AM
        73°
        3AM
        73°
        4AM
        73°
        5AM
        73°
        6AM
        73°
        6:53AM
        Sunrise
        7AM
        72°
        8AM
        73°
        9AM
        75°
        10AM
        77°
        11AM
        79°
        12PM
        80°
        1PM
        82°
        2PM
        82°
        Precipitation
        66%
        Rain ends by 4 PM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        55
        Moderate
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 8 miles
        3. Clouds Mostly Cloudy
        4. Dew Point71°F
        5. Humidity 63%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KJPN Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 79°F 97°F 1991
        4. Low 67°F 59°F 43°F 1990
        5. Rain/Snow Depth
        6. Precipitation 0.02 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 79°F 94°F
        4. Low 67°F 59°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:52 AM 7:13 PM
        3. Civil Twilight 6:25 AM 7:40 PM
        4. Nautical Twilight 5:54 AM 8:11PM
        5. Astronomical Twilight 5:22 AM 8:43 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 21m
        3. Tomorrow will be 2 minutes 30 seconds shorter
        1. Moon 1:43 PM 10:40 PM
        2. Waxing Crescent39% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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