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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed S 6 mph
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 1:35 am EDT
Extended Forecast for

Forest Hill MD

  • Overnight

    Overnight: Mostly clear, with a low around 70. Light southwest wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Southwest wind 3 to 6 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Mostly cloudy, with a low around 68. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 50%.

    Low: 68 °F

    Scattered
    T-storms then
    Isolated
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Northeast wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Light southwest wind.
Sunday
Sunny, with a high near 90. Southwest wind 3 to 6 mph.
Sunday Night
Scattered showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Mostly cloudy, with a low around 68. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 50%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 6 to 8 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Forest Hill MD
 39.58°N 76.39°W (Elev. 499 ft)
Last Update:
1:29 am EDT Aug 17, 2025
Forecast Valid:
1am EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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