My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Small Craft Advisory
      until 10:00 PM EDT
      Elev 105 ft, 38.885 °N 77.014 °W

      Washington, DC

      Southwest Waterfront Station77°
      Updated: 5:04 AM EDT on September 14, 2026 (GMT -4)
      8 minutes ago
      79°
      61°
      77
      Feels Like 78
      Clear
      N
      8
      Lower 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
        Mon 09/14
        High 79°f
         15% Precip. / 0 in
        Plenty of sunshine. High 79F. Winds N at 10 to 15 mph.
        Tonight
        Mon 09/14
        Low 55°f
         3% Precip. / 0 in
        Clear skies. Low near 55F. Winds NNE at 10 to 15 mph.
        Tomorrow
        Tue 09/15
        High 79°f60°f
         3% Precip. / 0 in
        Sunshine. High 79F. Winds ESE at 5 to 10 mph.
        Hourly Forecast
        Now
        77°
        6AM
        76°
        6:48AM
        Sunrise
        7AM
        74°
        8AM
        75°
        9AM
        74°
        10AM
        75°
        11AM
        76°
        12PM
        78°
        1PM
        79°
        2PM
        79°
        3PM
        79°
        4PM
        79°
        5PM
        78°
        6PM
        76°
        7PM
        74°
        7:17PM
        Sunset
        8PM
        71°
        9PM
        69°
        10PM
        67°
        11PM
        65°
        12AM
        63°
        1AM
        62°
        2AM
        61°
        3AM
        59°
        4AM
        59°
        5AM
        58°
        Precipitation
        3%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        43
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point68°F
        5. Humidity 74%
        6. Rainfall 0.05 in
        7. Snow Depth 0 in
         KJPN Station History
        Almanac for September 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 83°F 93°F 2005
        4. Low 61°F 62°F 45°F 1985
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 82°F 96°F
        4. Low 61°F 62°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:48 AM 7:17 PM
        3. Civil Twilight 6:21 AM 7:44 PM
        4. Nautical Twilight 5:50 AM 8:15PM
        5. Astronomical Twilight 5:18 AM 8:48 PM
        1. Length of Visible Light 13h 22m
        2. Length of Day 12h 29m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 10:33 AM 8:47 PM
        2. Waxing Crescent13% 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
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary