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      Elev 548 ft, 39.134 °N 77.769 °W

      Round Hill, VA

      Main Street Near Round Hill Fire Station Station64°
      Updated: 6:26 PM EDT on September 21, 2026 (GMT -4)
      7 minutes ago
      71°
      60°
      64
      Feels Like 64
      Cloudy
      N
      6
      Lower temperature is expected tomorrow
      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
        Tonight
        Mon 09/21
        Low 58°f
         91% Precip. / 0.48 in
        Cloudy with periods of rain. Low 58F. Winds ENE at 5 to 10 mph. Chance of rain 90%. Rainfall around a half an inch.
        Tomorrow
        Tue 09/22
        High 61°f
         84% Precip. / 0.51 in
        Rain. High 61F. Winds ENE at 10 to 15 mph. Chance of rain 80%. Rainfall around a half an inch.
        Tomorrow night
        Tue 09/22
        Low 52°f
         94% Precip. / 0.54 in
        Rain likely. Low 52F. Winds NE at 5 to 10 mph. Chance of rain 90%. Rainfall around a half an inch.
        Hourly Forecast
        Now
        64°
        7PM
        64°
        7:09PM
        Sunset
        8PM
        63°
        9PM
        62°
        10PM
        69%
        62°
        11PM
        64%
        62°
        12AM
        62°
        1AM
        50%
        62°
        2AM
        72%
        62°
        3AM
        92%
        62°
        4AM
        91%
        62°
        5AM
        90%
        62°
        6AM
        89%
        61°
        6:58AM
        Sunrise
        7AM
        84%
        60°
        8AM
        78%
        59°
        9AM
        75%
        59°
        10AM
        79%
        58°
        11AM
        74%
        58°
        12PM
        74%
        58°
        1PM
        71%
        58°
        2PM
        82%
        57°
        3PM
        79%
        58°
        4PM
        78%
        58°
        5PM
        79%
        58°
        6PM
        80%
        58°
        Precipitation
        92%
        Rain possible after 10 PM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        28
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.04 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 100%
        6. Rainfall 0.85 in
        7. Snow Depth 0 in
         KJYO Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 97°F 1940
        4. Low 60°F 54°F 32°F 1956
        5. Rain/Snow Depth
        6. Precipitation 0.48 in - in -
        7. Snow 0 in - in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 76°F 101°F
        4. Low 60°F 54°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 7:09 PM
        3. Civil Twilight 6:31 AM 7:36 PM
        4. Nautical Twilight 5:59 AM 8:07PM
        5. Astronomical Twilight 5:28 AM 8:39 PM
        1. Length of Visible Light 13h 5m
        2. Length of Day 12h 11m
        3. Tomorrow will be 2 minutes 32 seconds shorter
        1. Moon 4:44 PM 1:30 AM
        2. Waxing Gibbous77% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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        Health
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