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      Elev 230 ft, 39.056 °N 76.932 °W

      Calverton, MD

      Calverton Rooftop Station
      Updated: 1:05 PM EDT on August 21, 2026 (GMT -4)
      10 minutes ago
      83°
      61°
      79
      Feels Like 81
      Fair
      N
      3
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Fri 08/21
      High 83°f
      0% Precip. / 0 in
      Sunshine and clouds mixed. High 83F. Winds light and variable.
      Tonight
      Fri 08/21
      Low 66°f
      67% Precip. / 0.11 in
      Partly cloudy skies this evening. Increasing clouds with periods of showers late. Low 66F. Winds light and variable. Chance of rain 70%.
      Tomorrow
      Sat 08/22
      High 77°f66°f
      73% Precip. / 0.67 in
      Rain early...then remaining cloudy with thundershowers developing in the afternoon. High 77F. Winds ESE at 5 to 10 mph. Chance of rain 70%.
      Hourly Forecast
      Now
      79°
      2PM
      81°
      3PM
      82°
      4PM
      83°
      5PM
      81°
      6PM
      80°
      7PM
      78°
      7:54PM
      Sunset
      8PM
      75°
      9PM
      73°
      10PM
      70°
      11PM
      69°
      12AM
      68°
      1AM
      67°
      2AM
      68°
      3AM
      39%
      67°
      4AM
      55%
      67°
      5AM
      59%
      67°
      6AM
      67%
      67°
      6:27AM
      Sunrise
      7AM
      72%
      67°
      8AM
      70%
      69°
      9AM
      50%
      71°
      10AM
      41%
      72°
      11AM
      53%
      73°
      12PM
      60%
      74°
      1PM
      42%
      74°
      Precipitation
      72%
      Pollen
      Grass Pollen
      Low
      Air Quality
      51
      Moderate
      UV Index
      8
      Very High
      Additional Conditions
      1. Pressure 30.07 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point58°F
      5. Humidity 48%
      6. Rainfall 0.8 in
      7. Snow Depth 0 in
       KCGS Station History
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 83°F 85°F 102°F 1983
      4. Low 61°F 66°F 48°F 1981
      5. Rain/Snow Depth
      6. Precipitation 0.11 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 22, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 77°F 85°F 93°F
      4. Low 61°F 66°F 48°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:26 AM 7:54 PM
      3. Civil Twilight 5:58 AM 8:22 PM
      4. Nautical Twilight 5:24 AM 8:56PM
      5. Astronomical Twilight 4:49 AM 9:31 PM
      1. Length of Visible Light 14h 23m
      2. Length of Day 13h 27m
      3. Tomorrow will be 2 minutes 21 seconds shorter
      1. Moon 3:53 PM 12:00 AM
      2. Waxing Gibbous66% of the Moon is Illuminated
      Aug 28
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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