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

Watching Potential Tsunami Impacts Across the Pacific Basin

A strong earthquake in the Pacific Basin has generated a tsunami wave. Tsunami Warnings and Advisories have been issued for Hawaii, portions of Alaska, Guam, American Samoa, and the West Coast of the U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 30 Jul 3:05 am EDT
Extended Forecast for

3 Miles N Forest Hill MD

Heat Advisory July 30, 11:00am until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming south around 6 mph in the afternoon.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Heat index values as high as 100. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 67. Northeast wind around 6 mph. Chance of precipitation is 80%.

    Low: 67 °F

    T-storms then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. Calm wind.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Heat index values as high as 100. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 67. Northeast wind around 6 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
Showers likely before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Forest Hill MD
 39.63°N 76.41°W (Elev. 397 ft)
Last Update:
1:29 am EDT Jul 30, 2025
Forecast Valid:
3am EDT Jul 30, 2025-6pm EDT Aug 5, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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