National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

53°F

12°C

Humidity 78%
Wind Speed N 7 mph
Barometer 30.15 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 25 Sep 5:35 am EDT
Extended Forecast for

Jarrettsville MD

  • Today

    Today: Mostly sunny, with a high near 72. North wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain after 2am. Mostly cloudy, with a low around 55. North wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly after 10am. Partly sunny, with a high near 66. North wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 55. North wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 2pm. Cloudy, with a high near 64. North wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 64 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance Rain

  • Monday

    Monday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. North wind 13 to 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of rain after 2am. Mostly cloudy, with a low around 55. North wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 66. North wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Saturday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 55. North wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly before 2pm. Cloudy, with a high near 64. North wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 68.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jarrettsville MD
 39.61°N 76.47°W (Elev. 574 ft)
Last Update:
4:53 am EDT Sep 25, 2026
Forecast Valid:
5am EDT Sep 25, 2026-6pm EDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation