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      Elev 155 ft, 39.630 °N 77.402 °W

      Thurmont, MD

      Colonial Heights Station70°
      Updated: 10:04 AM EDT on September 12, 2026 (GMT -4)
      8 minutes ago
      80°
      63°
      70
      Feels Like 71
      Cloudy
      N
      1
      Same 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
        Sat 09/12
        High 80°f
         49% Precip. / 0.04 in
        Cloudy early with scattered thunderstorms developing this afternoon. High near 80F. Winds SSE at 5 to 10 mph. Chance of rain 50%.
        Tonight
        Sat 09/12
        Low 70°f
         74% Precip. / 0.39 in
        Thunderstorms early, then variable clouds overnight with still a chance of showers. Low around 70F. Winds SSE at 5 to 10 mph. Chance of rain 70%. Locally heavy rainfall possible.
        Tomorrow
        Sun 09/13
        High 85°f65°f
         24% Precip. / 0 in
        Cloudy skies early, then partly cloudy in the afternoon. High around 85F. Winds WNW at 5 to 10 mph.
        Hourly Forecast
        Now
        69°
        11AM
        71°
        12PM
        73°
        1PM
        75°
        2PM
        76°
        3PM
        77°
        4PM
        78°
        5PM
        79°
        6PM
        49%
        78°
        7PM
        66%
        76°
        7:23PM
        Sunset
        8PM
        69%
        75°
        9PM
        43%
        74°
        10PM
        75%
        73°
        11PM
        44%
        73°
        12AM
        47%
        72°
        1AM
        50%
        72°
        2AM
        58%
        72°
        3AM
        56%
        72°
        4AM
        52%
        71°
        5AM
        55%
        71°
        6AM
        44%
        71°
        6:48AM
        Sunrise
        7AM
        33%
        71°
        8AM
        71°
        9AM
        73°
        10AM
        75°
        Precipitation
        75%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        55
        Moderate
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 8 miles
        3. Clouds Cloudy
        4. Dew Point65°F
        5. Humidity 89%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KFDK Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 76°F 90°F 1983
        4. Low 63°F 59°F 43°F 1994
        5. Rain/Snow Depth
        6. Precipitation 0.43 in - in -
        7. Snow 0 in - in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 76°F 87°F
        4. Low 63°F 59°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:48 AM 7:22 PM
        3. Civil Twilight 6:20 AM 7:50 PM
        4. Nautical Twilight 5:48 AM 8:21PM
        5. Astronomical Twilight 5:15 AM 8:54 PM
        1. Length of Visible Light 13h 29m
        2. Length of Day 12h 34m
        3. Tomorrow will be 2 minutes 34 seconds shorter
        1. Moon 8:23 AM 7:55 PM
        2. Waxing Crescent2% 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
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