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      Small Craft Advisory
      until 6:00 AM EDT
      Elev 111 ft, 38.938 °N 76.963 °W

      Brentwood, MD

      Mount Rainier Station61°
      Updated: 5:25 AM EDT on September 22, 2026 (GMT -4)
      7 minutes ago
      65°
      58°
      61
      Feels Like 61
      Showers in Vicinity
      N
      10
      Gusts 18 mph
      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
        Tue 09/22
        High 63°f
         100% Precip. / 0.48 in
        Rain likely. High 63F. Winds ENE at 10 to 15 mph. Chance of rain 100%. Rainfall near a half an inch.
        Tonight
        Tue 09/22
        Low 54°f
         78% Precip. / 0.15 in
        Light rain early...then remaining cloudy with showers overnight. Low 54F. Winds NE at 10 to 15 mph. Chance of rain 80%.
        Tomorrow
        Wed 09/23
        High 66°f52°f
         24% Precip. / 0 in
        Cloudy skies. Slight chance of a rain shower. High 66F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        61°
        6AM
        74%
        61°
        6:55AM
        Sunrise
        7AM
        87%
        61°
        8AM
        81%
        60°
        9AM
        100%
        62°
        10AM
        90%
        62°
        11AM
        67%
        62°
        12PM
        74%
        62°
        1PM
        73%
        62°
        2PM
        71%
        61°
        3PM
        70%
        61°
        4PM
        73%
        61°
        5PM
        76%
        61°
        6PM
        77%
        61°
        7PM
        78%
        62°
        7:04PM
        Sunset
        8PM
        68%
        61°
        9PM
        60%
        60°
        10PM
        44%
        60°
        11PM
        33%
        60°
        12AM
        35%
        60°
        1AM
        49%
        59°
        2AM
        54%
        58°
        3AM
        57%
        58°
        4AM
        48%
        58°
        5AM
        55%
        57°
        Precipitation
        100%
        Rain likely to continue
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        19
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.1 in
        2. Visibility 4 miles
        3. Clouds Cloudy
        4. Dew Point60°F
        5. Humidity 96%
        6. Rainfall 0.83 in
        7. Snow Depth 0 in
         KCGS Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 79°F 97°F 1970
        4. Low 58°F 59°F 40°F 1962
        5. Rain/Snow Depth
        6. Precipitation 0.63 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 79°F 96°F
        4. Low 58°F 59°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:55 AM 7:04 PM
        3. Civil Twilight 6:28 AM 7:31 PM
        4. Nautical Twilight 5:57 AM 8:02PM
        5. Astronomical Twilight 5:26 AM 8:33 PM
        1. Length of Visible Light 13h 2m
        2. Length of Day 12h 9m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 5:10 PM 2:30 AM
        2. Waxing Gibbous85% 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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