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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

41°F

5°C

Humidity 62%
Wind Speed N 10 mph
Barometer 30.47 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Oct 4:15 am EDT
Extended Forecast for

2 Miles WSW Forest Hill MD

Freeze Warning until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until October 18, 09:00am

    NOW until 9:00am Sun

    Freeze Warning

  • Overnight

    Low: 33 °F

    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. North wind around 7 mph.

    High: 59 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Light north wind.

    Low: 38 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 64. North wind 6 to 9 mph.

    High: 64 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. North wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Areas of frost before 5am. Otherwise, clear, with a low around 33. North wind around 7 mph.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. North wind around 7 mph.
Sunday Night
Clear, with a low around 38. Light north wind.
Monday
Increasing clouds, with a high near 64. North wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 46. North wind 7 to 11 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 60.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Forest Hill MD
 39.58°N 76.41°W (Elev. 492 ft)
Last Update:
2:23 am EDT Oct 18, 2026
Forecast Valid:
4am EDT Oct 18, 2026-6pm EDT Oct 24, 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