Forecast

    Forecast for Arnold, MD | Forecast Periods: 14
    Saturday
    Mar 14
    2026

    Arnold, MD

    Updated: 7:53 PM EDT

    39°F

    Mostly Cloudy

    6 mph NE
    Precipitation: 3%

    Mostly cloudy, with a low around 39. Northeast wind around 6 mph.

    Hourly Forecast

    SUN20:00
    51°F
    Mostly Cloudy
    Dewpoint:-6.7°Precip:1%Humidity:29%Wind:3 mph N
    SUN21:00
    48°F
    Mostly Cloudy
    Dewpoint:-5.6°Precip:2%Humidity:35%Wind:3 mph N
    SUN22:00
    45°F
    Mostly Cloudy
    Dewpoint:-4.4°Precip:2%Humidity:43%Wind:3 mph NE
    SUN23:00
    44°F
    Mostly Cloudy
    Dewpoint:-3.3°Precip:1%Humidity:49%Wind:3 mph NE
    SUN00:00
    43°F
    Mostly Cloudy
    Dewpoint:-3.3°Precip:2%Humidity:51%Wind:3 mph NE
    SUN01:00
    42°F
    Mostly Cloudy
    Dewpoint:-3.3°Precip:2%Humidity:53%Wind:3 mph E
    SUN02:00
    41°F
    Mostly Cloudy
    Dewpoint:-3.3°Precip:2%Humidity:55%Wind:5 mph E
    SUN03:00
    41°F
    Mostly Cloudy
    Dewpoint:-3.3°Precip:2%Humidity:55%Wind:6 mph E
    SUN04:00
    41°F
    Mostly Cloudy
    Dewpoint:-3.3°Precip:2%Humidity:55%Wind:6 mph E
    SUN05:00
    40°F
    Mostly Cloudy
    Dewpoint:-2.8°Precip:3%Humidity:59%Wind:6 mph E
    SUN06:00
    39°F
    Partly Sunny
    Dewpoint:-2.8°Precip:2%Humidity:62%Wind:7 mph E
    SUN07:00
    40°F
    Partly Sunny
    Dewpoint:-2.2°Precip:2%Humidity:62%Wind:7 mph E
    SUN08:00
    41°F
    Partly Sunny
    Dewpoint:-2.2°Precip:3%Humidity:59%Wind:7 mph E
    SUN09:00
    42°F
    Partly Sunny
    Dewpoint:-1.7°Precip:3%Humidity:60%Wind:9 mph E
    SUN10:00
    46°F
    Partly Sunny
    Dewpoint:-0.6°Precip:3%Humidity:55%Wind:9 mph E
    SUN11:00
    49°F
    Mostly Sunny
    Dewpoint:-0.6°Precip:3%Humidity:50%Wind:9 mph E
    SUN12:00
    52°F
    Partly Sunny
    Dewpoint:0.6°Precip:2%Humidity:48%Wind:10 mph SE
    SUN13:00
    55°F
    Mostly Cloudy
    Dewpoint:1.1°Precip:2%Humidity:45%Wind:10 mph SE
    SUN14:00
    56°F
    Mostly Cloudy
    Dewpoint:1.1°Precip:2%Humidity:43%Wind:10 mph SE
    SUN15:00
    57°F
    Partly Sunny
    Dewpoint:2.2°Precip:2%Humidity:45%Wind:12 mph SE
    SUN16:00
    57°F
    Partly Sunny
    Dewpoint:3.3°Precip:2%Humidity:49%Wind:12 mph SE
    SUN17:00
    56°F
    Mostly Cloudy
    Dewpoint:4.4°Precip:3%Humidity:55%Wind:10 mph SE
    SUN18:00
    56°F
    Mostly Cloudy
    Dewpoint:5.6°Precip:3%Humidity:59%Wind:10 mph SE
    SUN19:00
    55°F
    Cloudy
    Dewpoint:6.1°Precip:8%Humidity:64%Wind:10 mph E

    Extended Forecast

    Sunday

    Sun, Mar 15
    57°F
    Partly Sunny
    7 mph E
    Precipitation: 3%
    Partly sunny, with a high near 57. East wind 7 to 12 mph, with gusts as high as 22 mph.

    Sunday Night

    Sun, Mar 15
    52°F
    Rain Showers
    12 mph SE
    Precipitation: 94%
    Rain showers after 8pm. Cloudy, with a low around 52. Southeast wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Monday

    Mon, Mar 16
    66°F
    Showers And Thunderstorms
    12 mph S
    Precipitation: 98%
    Rain showers before 11am, then showers and thunderstorms. Cloudy, with a high near 66. South wind 12 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Monday Night

    Mon, Mar 16
    30°F
    Rain And Snow Showers
    12 mph SW
    Precipitation: 98%
    Showers and thunderstorms before 11pm, then rain and snow showers. Mostly cloudy, with a low around 30. Southwest wind 12 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than half an inch possible.

    Tuesday

    Tue, Mar 17
    40°F
    Slight Chance Snow Showers then Mostly Sunny
    10 mph W
    Precipitation: 22%
    A slight chance of snow showers before 8am. Mostly sunny, with a high near 40. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.

    Tuesday Night

    Tue, Mar 17
    25°F
    Mostly Clear
    3 mph NW
    Precipitation: 2%
    Mostly clear, with a low around 25.

    Wednesday

    Wed, Mar 18
    41°F
    Partly Sunny
    2 mph SW
    Precipitation: 1%
    Partly sunny, with a high near 41.

    Wednesday Night

    Wed, Mar 18
    33°F
    Mostly Cloudy
    3 mph S
    Precipitation: 4%
    Mostly cloudy, with a low around 33.

    Thursday

    Thu, Mar 19
    51°F
    Mostly Sunny
    3 mph SE
    Precipitation: 3%
    Mostly sunny, with a high near 51.

    Thursday Night

    Thu, Mar 19
    37°F
    Mostly Cloudy
    2 mph SE
    Precipitation: 10%
    Mostly cloudy, with a low around 37.

    Friday

    Fri, Mar 20
    56°F
    Mostly Sunny
    3 mph S
    Precipitation: 12%
    Mostly sunny, with a high near 56.

    Friday Night

    Fri, Mar 20
    40°F
    Partly Cloudy then Slight Chance Light Rain
    6 mph S
    Precipitation: 20%
    A slight chance of rain after 2am. Partly cloudy, with a low around 40.

    Saturday

    Sat, Mar 21
    58°F
    Slight Chance Light Rain
    6 mph SW
    Precipitation: 20%
    A slight chance of rain. Partly sunny, with a high near 58.

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