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      Elev 143 ft, 39.039 °N 76.497 °W

      Arnold, MD

      Sun, Oct 11, 2026
      Tomorrow
      Sun 10/11
      High 67°f62°f
      100% Precip. / 1.3 in
      Thundershowers following a period of rain early. High 67F. Winds E at 10 to 20 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Localized flooding is possible.
      Tomorrow night
      Sun 10/11
      Low 62°f
      71% Precip. / 0.49 in
      Thunderstorms during the evening followed by occasional showers overnight. Low 62F. Winds NNE at 5 to 10 mph. Chance of rain 70%.
      Sunrise 7:11 AM
      Sunset 6:33 PM
      Moonrise 8:15 AM
      Moonset 6:45 PM
      Waxing Crescent, 0% visible
      Hourly Forecast
      12AM
      34%
      65°
      1AM
      35%
      65°
      2AM
      53%
      65°
      3AM
      67%
      65°
      4AM
      85%
      65°
      5AM
      94%
      65°
      6AM
      98%
      65°
      7AM
      100%
      65°
      7:11AM
      Sunrise
      8AM
      100%
      64°
      9AM
      100%
      65°
      10AM
      100%
      65°
      11AM
      97%
      65°
      12PM
      93%
      65°
      1PM
      91%
      65°
      2PM
      80%
      66°
      3PM
      86%
      66°
      4PM
      74%
      67°
      5PM
      80%
      67°
      6PM
      79%
      67°
      6:32PM
      Sunset
      7PM
      67%
      66°
      8PM
      72%
      66°
      9PM
      59%
      66°
      10PM
      53%
      67°
      11PM
      38%
      67°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Few Showers
      65°F 65°F 34% 0.02in 99% 57°F 77% 8 mph E 30.33in
      1:00 am
      Showers
      65°F 65°F 35% 0.03in 100% 58°F 78% 8 mph E 30.31in
      2:00 am
      Showers
      65°F 64°F 53% 0.02in 99% 58°F 80% 8 mph E 30.29in
      3:00 am
      Rain
      65°F 64°F 67% 0.04in 100% 59°F 81% 9 mph E 30.27in
      4:00 am
      Rain
      65°F 65°F 85% 0.04in 100% 60°F 83% 9 mph E 30.25in
      5:00 am
      Rain
      65°F 65°F 94% 0.08in 100% 60°F 84% 10 mph E 30.23in
      6:00 am
      Rain
      65°F 64°F 98% 0.09in 100% 61°F 87% 11 mph E 30.21in
      7:00 am
      Rain
      65°F 64°F 100% 0.09in 100% 62°F 89% 11 mph E 30.19in
      8:00 am
      Rain
      64°F 64°F 100% 0.12in 100% 62°F 92% 12 mph E 30.17in
      9:00 am
      Rain
      65°F 64°F 100% 0.12in 100% 63°F 93% 13 mph E 30.15in
      10:00 am
      Rain
      65°F 67°F 100% 0.09in 100% 64°F 96% 13 mph E 30.12in
      11:00 am
      Rain
      65°F 67°F 97% 0.08in 100% 65°F 97% 13 mph E 30.09in
      12:00 pm
      Rain
      65°F 67°F 93% 0.08in 100% 65°F 100% 13 mph E 30.05in
      1:00 pm
      Rain
      65°F 67°F 91% 0.08in 100% 65°F 100% 12 mph E 30in
      2:00 pm
      Rain
      66°F 68°F 80% 0.17in 100% 66°F 100% 12 mph E 29.96in
      3:00 pm
      Rain
      66°F 68°F 86% 0.15in 100% 66°F 100% 12 mph E 29.92in
      4:00 pm
      Rain
      67°F 69°F 74% 0.2in 100% 67°F 100% 12 mph E 29.88in
      5:00 pm
      Thunderstorms
      67°F 69°F 80% 0.08in 100% 67°F 100% 10 mph E 29.85in
      6:00 pm
      Thunderstorms
      67°F 69°F 79% 0.05in 100% 67°F 99% 8 mph E 29.83in
      7:00 pm
      Thunderstorms
      66°F 68°F 67% 0.12in 100% 66°F 100% 6 mph E 29.81in
      8:00 pm
      Thunderstorms
      66°F 68°F 72% 0.1in 99% 66°F 100% 5 mph ENE 29.79in
      9:00 pm
      Scattered Thunderstorms
      66°F 68°F 59% 0.09in 93% 66°F 100% 4 mph ENE 29.78in
      10:00 pm
      Scattered Thunderstorms
      67°F 69°F 53% 0.02in 97% 67°F 100% 4 mph NE 29.76in
      11:00 pm
      Showers
      67°F 69°F 38% 0.01in 96% 67°F 100% 4 mph NE 29.74in
      Additional Conditions
      1. Pressure 30.39 in
      2. Visibility 9 miles
      3. Clouds Partly Cloudy
      4. Dew Point55°F
      5. Humidity 96%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KANP Station History
      Almanac for October 10, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 71°F 71°F 86°F 1997
      4. Low 51°F 55°F 32°F 1979
      5. Rain/Snow Depth
      6. Precipitation 0.34 in - in -
      7. Snow 0 in - in -
      Almanac for October 11, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 67°F 70°F 89°F
      4. Low 63°F 54°F 32°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:10 AM 6:34 PM
      3. Civil Twilight 6:43 AM 7:01 PM
      4. Nautical Twilight 6:12 AM 7:32PM
      5. Astronomical Twilight 5:41 AM 8:03 PM
      1. Length of Visible Light 12h 17m
      2. Length of Day 11h 23m
      3. Tomorrow will be 2 minutes 29 seconds shorter
      1. Moon 7:09 AM 6:18 PM
      2. New0% of the Moon is Illuminated
      Oct 10
      New Moon
      Oct 18
      Waxing Half First Qtr
      Oct 26
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nearby Weather Stations
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      Elev.
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      Level Access
      Glossary