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      Elev 148 ft, 39.021 °N 76.499 °W

      Arnold, MD

      Hidden Hills Station93°
      Updated: 12:57 PM EDT on September 10, 2026 (GMT -4)
      9 minutes ago
      89°
      73°
      93
      Feels Like 103
      Sunny
      N
      8
      Similar 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
        Thu 09/10
        High 89°f
         15% Precip. / 0 in
        Sun and clouds mixed. A stray shower or thunderstorm is possible. High 89F. Winds W at 5 to 10 mph.
        Tonight
        Thu 09/10
        Low 73°f
         32% Precip. / 0.04 in
        Mostly cloudy skies this evening. A few showers developing late. Low 73F. Winds WNW at 5 to 10 mph. Chance of rain 30%.
        Tomorrow
        Fri 09/11
        High 80°f69°f
         24% Precip. / 0 in
        Cloudy skies early, followed by partial clearing. High around 80F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        87°
        1PM
        87°
        2PM
        87°
        3PM
        88°
        4PM
        86°
        5PM
        86°
        6PM
        85°
        7PM
        83°
        7:22PM
        Sunset
        8PM
        82°
        9PM
        81°
        10PM
        80°
        11PM
        79°
        12AM
        37%
        78°
        1AM
        31%
        77°
        2AM
        76°
        3AM
        76°
        4AM
        75°
        5AM
        75°
        6AM
        32%
        75°
        6:43AM
        Sunrise
        7AM
        45%
        74°
        8AM
        74°
        9AM
        74°
        10AM
        75°
        11AM
        75°
        12PM
        76°
        Precipitation
        45%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        57
        Moderate
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point69°F
        5. Humidity 55%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KANP Station History
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 82°F 96°F 1983
        4. Low 73°F 67°F 43°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0.04 in - in -
        7. Snow 0 in - in -
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 82°F 99°F
        4. Low 73°F 66°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:22 PM
        3. Civil Twilight 6:15 AM 7:49 PM
        4. Nautical Twilight 5:44 AM 8:20PM
        5. Astronomical Twilight 5:11 AM 8:53 PM
        1. Length of Visible Light 13h 33m
        2. Length of Day 12h 39m
        3. Tomorrow will be 2 minutes 30 seconds shorter
        1. Moon 6:02 AM 7:04 PM
        2. New0% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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