Arnold, MD Severe Weather Alert | Weather Underground

Strong thunderstorms likely. Storms could contain damaging winds. High near 80F. Winds SSW at 10 to 15 mph. Chance of rain 90%.

Tonight

Fri 10/16

Low 52°f

90% Precip. / 0.41 in

Thunderstorms early, overcast overnight with occasional rain. Storms may contain strong gusty winds. Low 52F. Winds NNW at 10 to 15 mph. Chance of rain 90%.

Tomorrow

Sat 10/17

High 56°f43°f

24% Precip. / 0 in

Cloudy skies early, then partly cloudy in the afternoon. High 56F. Winds N at 10 to 20 mph.

Hourly Forecast

Now

70°

1PM

72°

2PM

74°

3PM

76°

4PM

78°

5PM

78°

6PM

90%

75°

6:25PM

Sunset

7PM

86%

70°

8PM

91%

67°

9PM

76%

66°

10PM

50%

65°

11PM

62%

64°

12AM

57%

63°

1AM

72%

62°

2AM

75%

61°

3AM

74%

60°

4AM

60%

59°

5AM

69%

57°

6AM

55%

55°

7AM

35%

54°

7:17AM

Sunrise

8AM

53°

9AM

53°

10AM

53°

11AM

53°

12PM

54°

Precipitation

91%

Thunderstorms possible after 6 PM

Additional Conditions

Pressure 29.82 in
Visibility 9 miles
Clouds Cloudy
Dew Point66°F
Humidity 86%
Rainfall 0.05 in
Snow Depth 0 in

KANP Station History

Almanac for October 16, 2026

Forecast Average Record
Temperature
High 80°F 68°F 84°F 1989
Low 61°F 52°F 36°F 1987
Rain/Snow Depth
Precipitation 0.51 in - in -
Snow 0 in - in -

Almanac for October 17, 2026

Forecast Average Record
Temperature
High 63°F 68°F 82°F
Low 46°F 52°F 36°F

Astronomy

Sun Rise Set
Actual Time 7:16 AM 6:25 PM
Civil Twilight 6:49 AM 6:52 PM
Nautical Twilight 6:18 AM 7:23PM
Astronomical Twilight 5:47 AM 7:54 PM

Length of Visible Light 12h 3m
Length of Day 11h 9m
Tomorrow will be 2 minutes 26 seconds shorter

Moon 1:15 PM 10:13 PM
Waxing Crescent32% of the Moon is Illuminated

Oct 18

Waxing Half First Qtr

Oct 26

Full Moon

Nov 1

Waning Half Last Qtr

Nov 9

New Moon

Nearby Weather Stations

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