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      Small Craft Advisory
      until 4:00 AM EDT
      Elev 125 ft, 38.852 °N 77.059 °W

      Arlington, VA

      Pentagon Ahp Station80°
      Updated: 11:26 AM EDT on September 9, 2026 (GMT -4)
      9 minutes ago
      88°
      68°
      80
      Feels Like 82
      Fair
      N
      10
      Gusts 18 mph
      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
        Wed 09/09
        High 88°f
         0% Precip. / 0 in
        Mostly sunny. High 88F. Winds SSW at 10 to 20 mph.
        Tonight
        Wed 09/09
        Low 73°f
         15% Precip. / 0 in
        Partly cloudy. A stray shower or thunderstorm is possible. Low 73F. Winds SSW at 10 to 15 mph.
        Tomorrow
        Thu 09/10
        High 88°f71°f
         39% Precip. / 0.07 in
        Partly cloudy in the morning followed by scattered thunderstorms in the afternoon. Storms may contain strong gusty winds. High 88F. Winds W at 5 to 10 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        81°
        12PM
        83°
        1PM
        85°
        2PM
        86°
        3PM
        88°
        4PM
        88°
        5PM
        87°
        6PM
        86°
        7PM
        84°
        7:26PM
        Sunset
        8PM
        82°
        9PM
        80°
        10PM
        79°
        11PM
        78°
        12AM
        77°
        1AM
        77°
        2AM
        77°
        3AM
        76°
        4AM
        75°
        5AM
        75°
        6AM
        75°
        6:45AM
        Sunrise
        7AM
        74°
        8AM
        76°
        9AM
        78°
        10AM
        80°
        11AM
        82°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        48
        Good
        UV Index
        6
        High
        Additional Conditions
        1. Pressure 30.19 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point66°F
        5. Humidity 60%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KJPN Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 83°F 98°F 1872
        4. Low 68°F 67°F 48°F 1901
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 83°F 98°F
        4. Low 68°F 66°F 44°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:44 AM 7:25 PM
        3. Civil Twilight 6:17 AM 7:52 PM
        4. Nautical Twilight 5:45 AM 8:24PM
        5. Astronomical Twilight 5:12 AM 8:57 PM
        1. Length of Visible Light 13h 35m
        2. Length of Day 12h 41m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 4:53 AM 6:41 PM
        2. Waning Crescent3% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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