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      Small Craft Advisory
      until 7:00 AM EDT
      +1 more alert
      Elev 148 ft, 39.021 °N 76.499 °W

      Arnold, MD

      Hidden Hills Station93°
      Updated: 12:09 PM EDT on September 9, 2026 (GMT -4)
      3 minutes ago
      87°
      68°
      93
      Feels Like 100
      Sunny
      N
      10
      Gusts 18 mph
      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
        Wed 09/09
        High 87°f
         0% Precip. / 0 in
        Sunshine and clouds mixed. High 87F. Winds S at 10 to 20 mph.
        Tonight
        Wed 09/09
        Low 74°f
         11% Precip. / 0 in
        A few passing clouds. Low 74F. Winds SSW at 10 to 15 mph.
        Tomorrow
        Thu 09/10
        High 86°f71°f
         24% Precip. / 0 in
        Mainly cloudy. A stray shower or thunderstorm is possible. High 86F. Winds W at 5 to 10 mph.
        Hourly Forecast
        Now
        85°
        1PM
        86°
        2PM
        86°
        3PM
        87°
        4PM
        85°
        5PM
        84°
        6PM
        82°
        7PM
        81°
        7:24PM
        Sunset
        8PM
        80°
        9PM
        79°
        10PM
        78°
        11PM
        78°
        12AM
        77°
        1AM
        77°
        2AM
        76°
        3AM
        76°
        4AM
        76°
        5AM
        75°
        6AM
        75°
        6:42AM
        Sunrise
        7AM
        75°
        8AM
        76°
        9AM
        77°
        10AM
        79°
        11AM
        82°
        12PM
        83°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        48
        Good
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 30.18 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point66°F
        5. Humidity 53%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KANP Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 83°F 93°F 1985
        4. Low 68°F 67°F 43°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 82°F 96°F
        4. Low 68°F 67°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:23 PM
        3. Civil Twilight 6:15 AM 7:50 PM
        4. Nautical Twilight 5:43 AM 8:22PM
        5. Astronomical Twilight 5:10 AM 8:55 PM
        1. Length of Visible Light 13h 35m
        2. Length of Day 12h 41m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 4:50 AM 6:39 PM
        2. Waning Crescent4% 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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