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

43°F

6°C

Humidity 64%
Wind Speed N 5 mph
Barometer 30.43 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 17 Oct 11:15 pm EDT
Extended Forecast for

4 Miles SE Delta PA

Freeze Warning October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, clear, with a low around 33. North wind 6 to 8 mph.

    Low: 33 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 60. North wind 5 to 7 mph.

    High: 60 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 64. North wind 5 to 8 mph.

    High: 64 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. North wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 33. North wind 6 to 8 mph.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 60. North wind 5 to 7 mph.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 64. North wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 44. North wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Delta PA
 39.68°N 76.28°W (Elev. 203 ft)
Last Update:
10:53 pm EDT Oct 17, 2026
Forecast Valid:
11pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation