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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

74°F

23°C

Humidity 100%
Wind Speed S 8 mph
Barometer 29.76 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 2 Aug 11:55 pm EDT
Extended Forecast for

3 Miles NNW Jarrettsville MD

  • Overnight

    Overnight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 71. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 84. Southwest wind around 7 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 62. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 84. East wind around 6 mph.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 71. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 84. Southwest wind around 7 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 62. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 84. East wind around 6 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Jarrettsville MD
 39.66°N 76.49°W (Elev. 449 ft)
Last Update:
10:53 pm EDT Aug 2, 2026
Forecast Valid:
12am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation