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      Elev 155 ft, 39.630 °N 77.402 °W

      Thurmont, MD

      Colonial Heights Station68°
      Updated: 7:40 AM EDT on September 20, 2026 (GMT -4)
      10 minutes ago
      77°
      66°
      68
      Feels Like 68
      Haze
      N
      5
      Higher 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
        Sun 09/20
        High 77°f
         61% Precip. / 0.11 in
        Showers this morning then scattered thunderstorms developing during the afternoon hours. High 77F. Winds SW at 5 to 10 mph. Chance of rain 60%.
        Tonight
        Sun 09/20
        Low 61°f
         24% Precip. / 0 in
        Some clouds. Low 61F. Winds N at 5 to 10 mph.
        Tomorrow
        Mon 09/21
        High 65°f56°f
         67% Precip. / 0.22 in
        Rain showers in the morning will evolve into a more steady rain in the afternoon. High near 65F. Winds NE at 5 to 10 mph. Chance of rain 70%. Rainfall near a quarter of an inch.
        Hourly Forecast
        Now
        68°
        8AM
        68°
        9AM
        50%
        69°
        10AM
        61%
        70°
        11AM
        32%
        71°
        12PM
        73°
        1PM
        74°
        2PM
        75°
        3PM
        76°
        4PM
        57%
        76°
        5PM
        43%
        75°
        6PM
        75°
        7PM
        74°
        7:09PM
        Sunset
        8PM
        72°
        9PM
        71°
        10PM
        71°
        11PM
        70°
        12AM
        69°
        1AM
        68°
        2AM
        67°
        3AM
        66°
        4AM
        65°
        5AM
        64°
        6AM
        63°
        6:56AM
        Sunrise
        7AM
        63°
        Precipitation
        61%
        Rain expected around 9:15 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        38
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point65°F
        5. Humidity 92%
        6. Rainfall 0.11 in
        7. Snow Depth 0 in
         KFDK Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 77°F 74°F 82°F 2000
        4. Low 66°F 56°F 41°F 1979
        5. Rain/Snow Depth
        6. Precipitation 0.11 in - in -
        7. Snow 0 in - in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 73°F 84°F
        4. Low 66°F 56°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:55 AM 7:09 PM
        3. Civil Twilight 6:28 AM 7:36 PM
        4. Nautical Twilight 5:57 AM 8:08PM
        5. Astronomical Twilight 5:24 AM 8:40 PM
        1. Length of Visible Light 13h 8m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 35 seconds shorter
        1. Moon 4:10 PM 12:25 AM
        2. Waxing Gibbous68% 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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